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Old January 31st, 2013, 02:33 AM   #1 (permalink)
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Default [How To] Update, Unbrick/Go back to stock on LT7033

I created this thread because I think every device forum needs a thread based on bootloader because it is nessessary for develpoment to grow. Developers need a failsafe way to flash back the stock firmware to their device incase testing something they did goes wrong. And, since the bootloader is also how Curtis international chooses to output updates to firmaware for all their Android devices, this will be the place for that as well for all updates on the LT7033 Tablet. This thread will be geared towards "going back" to stock incase you did something wrong or you partially bricked your device.


See second Post for listing of all firmwares for this device and how to make your own backup.imgs

What is a Bootloader?
A bootloader is a program that runs on your computer while your android device is connected to it through the USB cable. The android device is booted into a certain mode often refered to as "download mode" or "flash mode" and the bootloader program can then flash a complete firmware image to your device. It is also specific to manufacturers/devices. This does NOT require ROOT in order to perform..

Our bootloader is called RKbatchtool because it is designed to work with the certain type of CPU or processor that is in our tablets called RockChip.

So How Does it Work?

First thing you need in order for you computer to be able to communicate with your tablet when it's connected is the windows drivers.

Any android device actually has several different drivers that need to be installed for a few different modules inside it:

connected as MTP Storage = MTP driver
connected as USB Mass Storage = Mass storage driver
ADB command line for SDK = ADB Composit driver
Download Mode = Android Bootloader driver

[Step One] Gettin What You Need
You need a few things in order to do this:

1. The latest firmware for your model:
I will confirm that this is an update to android 4.1.1 JellyBean and works much nicer than ICS

LT7033 Tablet

LT7033D Tablet

LT7033E is posted as discontinued

Here is the page where you can get official firmware and manuals

2. Windows Drivers
the firmware does come with a drivers folder but i've never had much luck with them. Here are the drivers that have been confirmed by many people as working..
ADB_RK29_Drivers.zip

[Step Two] Getting Set Up

First you want to extract the firmware.zip you downloaded for your device. Now open it and inside you will see Firmware.img, power point instructions, and another .zip named RK2918_update_Eng.zip. extract that to inside this folder as well. now open the extracted and this is where you will find the RKBatchtool.exe.
Disreguard the instructions about how to get you tablet into download mode because they are completely wrong.
Also disreguard the drivers inside that folder because i fought with them quite a bit before giving up and using the drivers I posted above. So just let me save you some time.

Next you want to install the bootloader drivers so extract the drivers.zip you got from above and now you need to put your tablet into download mode now.

From powered off:
While holding Volume+ or up
Plug-in your USB cable to the computer
(only use the port on the back of your computer. the one attatched to the motherboard. Mine would not flash AT ALL when using the front usb ports even though it connected and seemed to work fine RKbatchtool would not flash it. it would fail.)
You will here windows make the connected sound and will try to install the drivers but will fail.
Open the device manager and look for unknown device.
Right Click it an select update driver
select Browse my computer for drivers
then Click Have Disk
in the pop-up click browse
go to the drivers folder you just extracted and look for winusb.inf and click Open
ignore any warning about the drivers being signed and install anyway
you should see three drivers to choose from:
ADB driver
Bootloader driver
ADB Composite

The bootloader one is the one you want so select it and click next and install

When it's done installing the driver, you're ready to go.

[Step Three] Flashing your firmware, Update, or recovery.img that you made

Now that your tablet is in download mode and ready to go, go back to the firmware folder from before and drill down to RKBatchtool.exe and right click it. select "Run as Administrator" and hit yes.

In the bottom, Left corner, you should see a square box lit in green. this means it sees your tablet and is ready.
On the top right, you need to select the path to your firmware.img inside the folder you Got from above or from Curtis Int. and it will load the firmware up and say finished in the text box.

Once you achived this, hit the UPDATE button at the bottom and let the magic happen. it will take about 5 min and will reboot your device. then your device will take another 3 - 5 min to boot fully as it's like booting for the first time after you took it out of the box.

Enjoy all the updated goodness and I hope this helped you. If it has please hit the thanks button...

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Old January 31st, 2013, 02:33 AM   #2 (permalink)
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Default [How To] Unbrick/Go back to stock LT7033

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Old January 31st, 2013, 02:33 AM   #3 (permalink)
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Default [How To] Unbrick/Go back to stock LT7033

Since I got cwm installed I figured I would google some roms if any @ all for RK29,I came across a post on xda for cm10,it flashed fine til I reboot now it will not go past the klu screen and then the screen goes black & no way to boot into recovery.MAV u got any ideas how I can bring this thing back to life.Itried to hook it up to RKbatchtool but it won't seem to connect maaaaan I fugged up,if anyone has any clue how to help me please don't be shy and speak up lol.
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Old January 31st, 2013, 05:58 AM   #4 (permalink)
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Originally Posted by casperischinky View Post
Since I got cwm installed I figured I would google some roms if any @ all for RK29,I came across a post on xda for cm10,it flashed fine til I reboot now it will not go past the klu screen and then the screen goes black & no way to boot into recovery.MAV u got any ideas how I can bring this thing back to life.Itried to hook it up to RKbatchtool but it won't seem to connect maaaaan I fugged up,if anyone has any clue how to help me please don't be shy and speak up lol.
Go get the stock firmware from Curtis website. Extract it, open it and extract the zip inside.

The instructions for getting it into download mode are wrong. You have to do like this
From powered off...
Hold volume up or +
Plugin the USB cable while holding vol up.
It will boot into download mode but screen will stay black.
Windows will make the connected sound
The drivers given will not work(they didn't for me) go get the ones supernoober suggest.
Make sure you install the driver for "android bootloader" ( different from the other drivers but use the same winusb.INI you used for your adb driver)
Once that is installed, you should be able to use the rkbatch tool to flash the stock firmware back to your tab bro..

If you can't. Then you need to call Curtis and claim warranty. Its warranted for a year with manufacturer. DO NOT SAY ANYTHING ABOUT ROOTING!! Good luck man...
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Old January 31st, 2013, 09:27 AM   #5 (permalink)
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Mavrikmeercat:
Wow, that procedure is almost too easy, thanks bunches! Now all we need is a recipe for jelly bean dip and we can have a party!


Casperischinky:
Sorry to hear of your misfortune, all Curtis tablet manuals and firmware downloads are here...
Manuals -- CURTIS INTERNATIONAL
The ADB driver is here...
ADB Driver RK29.zip
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Old January 31st, 2013, 02:41 PM   #6 (permalink)
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I for the life of me can I get these drivers to install either I am NOT doing someIthing correct have a 60 dollar paperweight or I'm not placing them in the right folder. could 1 of you possibly guide me through the steps to install these drivers correctly? if I can't figure this out I guess I'm screwed and I have of 60 dollar paperweight.
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Old January 31st, 2013, 03:28 PM   #7 (permalink)
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Casperischinky:


Vulcanize gives an excellent description of the process for a Proscan (still Curtis) PLT7035 in post 3 here...
http://forum.xda-developers.com/showthread.php?t=2112562


The only thing about his description I found confusing is where he says to load the appropriate drivers. Trying to answer my own question, I found that when you unzip the firmware update for the LT7033...
LT7033 Firmware
You will find another zipped file in the 1st unzipped folder. This is labeled...
RK2918_update_1.5_Eng.zip
When you unzip this file & open the resulting folder you will find a folder labeled RockusbDriver.
I believe this is the correct drivers to point to at this stage, not the ADB driver listed above. The one above is the one to use when it's time to root it.


You are swimming in uncharted waters for me so I can only hope this helps. Let us all know about your results, because if this is successful, I need to correct some other bogus advice I gave elsewhere. LOL

What, whose, version of CM10 did you try to load? So the rest of us can avoid it like the plague.
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Old January 31st, 2013, 07:15 PM   #8 (permalink)
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No the drivers you posted adb drivers are the right ones..

The drivers that came from Curtis didnt work at all for me

How to
Put your tablet in download mode like I described above
Open device manager
Right click unknown device
Click update driver
Click browse for drivers on my computer
Click let me pick from a list of devices
Make sure "all devices" is highlighted in the menu and click "have disk"
In the pop-up, click browse
Go to the adbdrivers folder SuperNoober posted and find winusb.ini and double click it
Select OK in the pop-up
Ignore the warning and hit OK
It will have a list of three drivers adb, bootloader, and adb composite
Select the bootloader one
Ignore the warnings about drivers not being signed and hit OK
It should say successfully installed at some point
Now you can run the rkbatchtool.exe and load the stock firmware
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Old January 31st, 2013, 11:10 PM   #9 (permalink)
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Default Wooo hell yeah!!

TY Mav & Supernoober between the both of u & all the stuff u posted I got my tab back to life!Its updated to jellybean now and I must say its way more responsive to my touch now and way less lag as ics.My. only issue now is that I'm trying to root this damn thing again,when I rooted it the 1st time I had vista & had no issues rooting.Now I got win 7 and when trying to root this lil tab again it says I must "enable usb debugging",when I do this my laptop don't recognize the tab anymore lol ahhh faq!How do I root this thing to get my cwm back on here if my laptop won't recognize the tab?I'm sorry if I'm being a pain in the Arse,I'm just stuck @ this point.
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Old January 31st, 2013, 11:44 PM   #10 (permalink)
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Quote:
Originally Posted by casperischinky View Post
TY Mav & Supernoober between the both of u & all the stuff u posted I got my tab back to life!Its updated to jellybean now and I must say its way more responsive to my touch now and way less lag as ics.My. only issue now is that I'm trying to root this damn thing again,when I rooted it the 1st time I had vista & had no issues rooting.Now I got win 7 and when trying to root this lil tab again it says I must "enable usb debugging",when I do this my laptop don't recognize the tab anymore lol ahhh faq!How do I root this thing to get my cwm back on here if my laptop won't recognize the tab?I'm sorry if I'm being a pain in the Arse,I'm just stuck @ this point.
You gotta install the drivers for all the different modules on the device

Mass storage = Linux gadget USB device
Mtp media device= Linux gadget USB device
Adb driver = android adb driver <-- the one you really need for rooting. It appears as lt7033 in device manager before the driver is installed
Download mode= android bootloader driver
And so on. You have to install all those drivers manually. The exact same way you did the bootloader one. Point to the same file too, winusb.ini.
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Old February 1st, 2013, 12:05 AM   #11 (permalink)
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Old February 1st, 2013, 03:15 AM   #12 (permalink)
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Long story short here is be careful what u do to your tabs/phones period!LOL MAV u my friend are the man haha,I thank u again for the help,I finally got the drivers installed & working,tab rooted,cwm back on it(I was determined imma taurus haha),& about to install my market from when this lil tab got started and I'm back in biz!
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Old February 1st, 2013, 03:30 PM   #13 (permalink)
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Long story short here is be careful what u do to your tabs/phones period!LOL MAV u my friend are the man haha,I thank u again for the help,I finally got the drivers installed & working,tab rooted,cwm back on it(I was determined imma taurus haha),& about to install my market from when this lil tab got started and I'm back in biz!
Casper could you comfirm your results by posting the steps you did for flashing the firmwareback to your tablet? It would surely help someone in the same situation as you later on and also give them a second reference to the op.
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Old February 2nd, 2013, 04:24 PM   #14 (permalink)
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The only thing about his description I found confusing is where he says to load the appropriate drivers.
That was with regards to the PC - meaning whether 32 bit or the 64 bit version

@OP - Nice work mate.
Will keep checking thread for any new suitable roms you may have come across for the RK2906
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Old February 2nd, 2013, 04:36 PM   #15 (permalink)
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I also want to add a small bit from my end.
ALWAYS take a back up (can't emphasize that enough) using ClockWorkMod aka CWM if things go wrong while experimenting.

Rule number one:
DO NOT PANIC!!!!
Turn off the tablet PC and unplug the USB connection to PC.
Try to get back in to recovery by pressing the Volume UP (+) button and power button at same time.
Holding down the volume UP button and simultaneously plugging in the USB cable achieves same result too because the tablet powers itself in this method and goes in to recovery - remember to hold down the volume button down all the while.

Also helps to Backup your device to Cloud in one click using Orange Backup.

To know more about Orange Backup - readup at following link:

http://www.addictivetips.com/android/orange-backup-create-local-cloud-nandroid-backups-without-recovery/

If you are curious and want to learn more - another way of doing it is very nicely explained in the link below.

How To Backup Your Android Phone’s Boot, Recovery And System Partition Images

Romdump is a very simple program that dumps the BOOT, RECOVERY and SYSTEM partitions to your SDCARD, this will allow a technically minded individual to create a recovery image.
Source: Index of /romdump

Have fun
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Old February 2nd, 2013, 05:40 PM   #16 (permalink)
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Quote:
Originally Posted by vulcanize View Post
I also want to add a small bit from my end.
ALWAYS take a back up (can't emphasize that enough) using ClockWorkMod aka CWM if things go wrong while experimenting.

Rule number one:
DO NOT PANIC!!!!
Turn off the tablet PC and unplug the USB connection to PC.
Try to get back in to recovery by pressing the Volume Down (-) button and power button at same time. Holding down the volume down button and simultaneously plugging in the USB cable achieves same result too because the tablet powers itself in this method and goes in to recovery - remember to hold down the volume button down all the while.

Also helps to Backup your device to Cloud in one click using Orange Backup.

To know more about Orange Backup - readup at following link:

Orange Backup: Create Local & Cloud Nandroid Backups Without Recovery

If you are curious and want to learn more - another way of doing it is very nicely explained in the link below.

How To Backup Your Android Phone’s Boot, Recovery And System Partition Images

Romdump is a very simple program that dumps the BOOT, RECOVERY and SYSTEM partitions to your SDCARD, this will allow a technically minded individual to create a recovery image.
Source: Index of /romdump

Have fun
Hey brother, thanks for your good info and willingness to help people out when all goes bad.

one thing, to get into recovery/CWM on the LT7033 is Vol + and power.. figured yours may be different
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Old February 2nd, 2013, 05:45 PM   #17 (permalink)
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Hey brother, thanks for your good info and willingness to help people out when all goes bad.

one thing, to get into recovery/CWM on the LT7033 is Vol + and power.. figured yours may be different
Thanks. I actually edited out that line of pressing down the Volume UP (+) achieved it for me on the Proscan PLT7035-B before hitting submit post since I did not want to confuse others with different makes/models.
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Old February 3rd, 2013, 04:10 AM   #18 (permalink)
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Default Re: [How To] Update, Unbrick/Go back to stock on LT7033

Mav awesome guide my friend,I followed everything you & supernoober threw @ me (pain in the ass part was drivers lol) & got my tab updated to JB and I actually enjoy playing on it now since its more responsive to my touch.I am looking forward to some new goodies to throw on it lol, I'm totally willing to test anything ya got lol JS haha.
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Old February 3rd, 2013, 08:48 AM   #19 (permalink)
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If anybody knows where the mythical android bootloader driver for the LT7033 is, would you please post a copy of it, by itself to end all this confusion? I can't find it anywhere. Trying to do the software update with the ADB drivers only results in an improper driver error message, and trying the Curtis provided RockusbDrivers has left my unit without any touchscreen response. I can see the unit has the new operating system loaded, but I can't interact with it in any way.

If Rockchip can't provide drivers for it's devices then they need to be boycotted on a worldwide basis.
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Old February 3rd, 2013, 09:46 AM   #20 (permalink)
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Originally Posted by SuperNoober View Post
If anybody knows where the mythical android bootloader driver for the LT7033 is, would you please post a copy of it, by itself to end all this confusion? I can't find it anywhere. Trying to do the software update with the ADB drivers only results in an improper driver error message, and trying the Curtis provided RockusbDrivers has left my unit without any touchscreen response. I can see the unit has the new operating system loaded, but I can't interact with it in any way.

If Rockchip can't provide drivers for it's devices then they need to be boycotted on a worldwide basis.
Dude, its the same exact file. There is no individual bootloader driver by itself. IT IS THE SAME winusb.ini in the adbdrivers.zip.

Uninstall whatever it says in the device manager first untill it says UNKNOWN DEVICE then point to the SAME winusb.ini as all the rest of the drivers came from. Thats it ..

Are you doing this from a laptop or a desktop? Make sure you plug in you usb cable to the back usb port. The one attatched to the motherboard. Not one on the front of the case which is connected by a cable to the motherboard inside the case
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Old February 3rd, 2013, 09:54 AM   #21 (permalink)
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Originally Posted by casperischinky View Post
Mav awesome guide my friend,I followed everything you & supernoober threw @ me (pain in the ass part was drivers lol) & got my tab updated to JB and I actually enjoy playing on it now since its more responsive to my touch.I am looking forward to some new goodies to throw on it lol, I'm totally willing to test anything ya got lol JS haha.
Yeah im liking the update way better too. It's so much more quick and way less lag. Also, I had converted all my daughter's disney shows and put em on her sdcard and I in ics I had to find another video player because it would just freeze or glitch out. Got to be quite anoying in the car.. now it works perfectly. No problems..

Just to let everyone know, angrybirds works just fine on the update too!!!!!!
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Old February 4th, 2013, 02:52 PM   #22 (permalink)
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Not to take this thread off tangent - but here is a bit of experimenting fun with a caveat but interesting nevertheless:

[GUIDE]How To Port Different ROMS to Your Device (Simplest and Fastest)

So may be you all can get together and try making a custom rom for your LT7033 (just like Oma7144 from XDA has done) .
He was very kind enough to provide me with the needed kernel for my Proscan PLT7035-B and I am loving it. Next stop is CM10.


By the way, first of all, please do check if your CWM backup is working fine because I found out the hard way that it was not.

Some tools from Play store that I have been using for a long time and always come in handy:

Quick Boot , All-In-One Toolbox(17 Tools) , Dr.Web Antivirus and of course Titanium Backup.

Cheers

--------------------------------

Edit:
I needed to edit my post because the essence of what I wanted to convey got lost somewhere in it I guess. mavrikmeercat pointed out correctly to probable misleading aspect which was truly not intentional from my end. My apologies in case anyone felt it that way..
Please take very seriously his advice of not flashing the wrong rom because my post was NOT about flashing wrong roms to the Curtis tablets but rather about finding compatible mtd ones and tweaking it to make a custom rom for it as a collective effort since not many devs are doing it on these devices currently.
The lift off what I tried to do was from Slim Bean 3.1 for mtd's since I have it on one of my Nexus 7 and wife's Samsung Exhibit 4g phone - really cool.
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Old February 4th, 2013, 04:44 PM   #23 (permalink)
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Quote:
Originally Posted by vulcanize View Post
Not to take this thread off tangent - but here is a bit of experimenting fun with a caveat but interesting nevertheless:

[GUIDE]How To Port Different ROMS to Your Device (Simplest and Fastest)

So may be you all can get together and try making a custom rom for your LT7033


I tried to port the Slim Bean custom rom from my Nexus 7 to the Proscan PLT7035-B and failed

Am getting the following while trying to install in CWM.

Format and Mount System, Mount Data...
E:Error in /external_sd/Base_rom.zip
(Status 0)
Installation aborted
.

Guessing the rom size was too big. So it is back to the drawing board for now.


By the way, first of all, please do check if your CWM backup is working fine because I found out the hard way that it was not.

Some tools from Play store that I have been using for a long time and always come in handy:

Quick Boot and ROM manager along with Titanium Backup.

Cheers
Some crucial advice so everyone please take it.

Never, and I mean never , try to flash a rom for another device.
@ vilcanize, the nexus 7 is and has a completely different format (emmc) ours being (mtd)
and also has a completely different kernel, boot, recovery, and system than any version of the curtis tablets. Flashing something from the nexus 7 would certainly result in a dead tablet. You should be thankful that the dev of that rom was smart enough to add a check in the updater-script(the script that tells cwm how to install the rom) to check the name and the device model #. In your case, that check failed and the install was aborted. That's what status 0 means. Otherwise you would have a paperweight.

A rom, kernel, boot.img, recovery, system, and even userdata is device specific and must be designed on and for that device only. No exceptions on that.

Rom Manager is made from the developers of Clockworkmod and is designed to only be used with supported devices and devices that have official AOSP or AOKP ports. These chineeze tablets probably will never see oficial support from cwm or rom manager unless one of those devs over in xda makes it so but don't hold your breath. Rom Manager is designed for the big named devices like the SGS2 and the SG TAB, the google nexus 7 and other popular devices like such.

ROM MANAGER CAN BRICK YOUR CURTIS DEVICE!!!!!

Can't stress that enough........
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Old February 11th, 2013, 01:27 AM   #24 (permalink)
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Originally Posted by SuperNoober View Post
If anybody knows where the mythical android bootloader driver for the LT7033 is, would you please post a copy of it, by itself to end all this confusion? I can't find it anywhere. Trying to do the software update with the ADB drivers only results in an improper driver error message, and trying the Curtis provided RockusbDrivers has left my unit without any touchscreen response. I can see the unit has the new operating system loaded, but I can't interact with it in any way.

If Rockchip can't provide drivers for it's devices then they need to be boycotted on a worldwide basis.
I have met the same problem as SuperNoober,how to solve it?
I think If we have used a wrong firmware???
I have tried many times,but the touchscreen didn't work yet....
when install the bootloader drives,I used the drivers in firmware zip,not the "ADB_Driver_RK29",because the ADB_Driver_RK29 cannot work.
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Old February 11th, 2013, 01:33 AM   #25 (permalink)
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should I try firmwares by other mids with rk2906?
I have no ideal,I am downloading the firmwares now
ps:I have tried the 7033d's firmware ,but it was a wrong information in the RKBatchTool.
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Old February 11th, 2013, 01:51 AM   #26 (permalink)
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oooooo,I have forgot to say that I have tried to root the machine first,but it failed,and the machine cannot work,so I tried to unbrick it by the steps in this topic.
whether the kernel was bad when I do a wrong boot?
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Old February 11th, 2013, 09:08 AM   #27 (permalink)
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after study on the web,I think the problem on my 7033 is a wrong recovery which is damaged when I do the "root".because I tried to go in the recovery mode(keeping hold + and power button),then a falling android robot is on the screen.

where can I find a recovery image,and how to replace it,help me....
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Old February 13th, 2013, 06:40 PM   #28 (permalink)
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I have followed the directions and successfully installed the bootloader driver, but for some reason RKBatchTool will not recognize my device because the box does not turn green. My laptop recognizes my device under Device Manager as Android Bootloader Interface. (Note: I have the LT7033D)
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Old February 17th, 2013, 09:52 PM   #29 (permalink)
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Originally Posted by SuperNoober View Post
... and trying the Curtis provided RockusbDrivers has left my unit without any touchscreen response. I can see the unit has the new operating system loaded, but I can't interact with it in any way.

If Rockchip can't provide drivers for it's devices then they need to be boycotted on a worldwide basis.
Help I'm experiencing the same issue. I used the CUR_LT7033_FIRMWARE.ZIP driver I pulled from the link above, but now I have a tablet with a new firmware, but no functioning touchscreen. Anyone have any advice for getting out of this one? I have the LT7033 device.
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Old February 23rd, 2013, 08:36 AM   #30 (permalink)
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no reply yet....
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Old February 23rd, 2013, 10:45 AM   #31 (permalink)
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Originally Posted by ydss View Post
no reply yet....
Your recovery is fine.. once you're in recovery and you see the android, you have to use a button combo to get the menu to show. I dont remember what buttons but its like both volume buttons. Just try different ones until you get the menu
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Old February 23rd, 2013, 11:15 AM   #32 (permalink)
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Help I'm experiencing the same issue. I used the CUR_LT7033_FIRMWARE.it worksIP driver I pulled from the link above, but now I have a tablet with a new firmware, but no functioning touchscreen. Anyone have any advice for getting out of this one? I have the LT7033 device.
After having to update my neices tablet (on her computer at her house) that the bootloader driver did not work on that computer. I ended up having success with the driver that came with the firmware.zip so I will update the op with better instructions but for now,
you just hold volume up while plugging in the usb chord to the pc.
from the device manager, Uninstall the driver that is installed currently and check the remove the driver software as well.
Once it uninstalls, right click on the top of device tree and select scan for hardware changes. Then right click the unknown device and manually install the driver from the firmware.zip using the device manager update driver software.
Select browse my computer for driver.
Select have disk
Find the driver for your OS in the firmware folder
Select it and ignore the warnings about driver signing and install.
When its done the device in the device manager will say rk29 device
Now go ahead and open rkbatchtool.exe
Its very touchy about which usb port you use so if it says fail try all your usb ports until you get it to work. I had to use a usb port on the back of the desktop rather than use one of the ports on the front of the case. Those did not work. Rkbatchtool.exe would say fail. Once I used the back port it worked flawlessly.

Hope this helps
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Old February 23rd, 2013, 07:40 PM   #33 (permalink)
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Can anyone help me?
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Old February 23rd, 2013, 10:29 PM   #34 (permalink)
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Can anyone help me?
Follow my post above yours
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Old February 24th, 2013, 06:01 PM   #35 (permalink)
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I have attempted to install all the drivers and now Rockchip will not recognize the device. When I use the drivers included with the firmware i get a message saying that the device cannot boot. When I use ADB Driver RK29 drivers I get no response either.

Any help is appreciated!
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Old March 2nd, 2013, 09:14 AM   #36 (permalink)
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I have used the driver in firmware.zip,but the touchscreen was not work at all.
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Old March 2nd, 2013, 11:07 AM   #37 (permalink)
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Are you guys using a laptop or a desktop computer? Might not be able to do this on a laptop for some reason... idk but these have to be the worst drivers I have ever encountered. They are so dam inconsistent.

Ive never had so many problems with a driver before and im limited to what I know about windows drivers. Im a linux user really. I honestly hate windows because all the problems it has like this but this is not a windows bashing thread...

I think you might have luck with it if you keep trying. Use device manager and uninstall the driver for everything to do with the tablet and start over and keep trying untill it works. Remember, you have to have the tablet in bootloader mode and plugged in in order to remove the driver and re-install the drivers
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Old March 25th, 2013, 11:36 AM   #38 (permalink)
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Im having the same exact issues as some above. No matter what, RKbatchtool will not recognize my tab. I've tried both 32 and 64 bit versions of windows 7 and 8. Also tried on both a desktop and laptop, all usb ports. still a no go. I have the lt7033D and cannot seem to get it updated to 4.1.1
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Old March 26th, 2013, 09:29 AM   #39 (permalink)
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Ive been looking into this quite a bit lately and I think I have found a solution to the driver issue but I need some testers...

Im pretty certain the drivers we are using are incorrectly made. Ive found some better drivers and edited them a bit to ensure they work properly for us. I tested these on vista, win7 and win8 64bit. Dont have XP so idk about that. Should work though..

Remove all drivers you have installed from the device manager.
Download The driver pkg. From this post and unzip
Put your tab into download mode (vol+ while plugging in the usb into computer)
Go to device manager and right click unknown device and select update driver software.
Select browse my computer for driver
Select all devices
Select have disk
Browse to bootloader driver in the folder you got from this post and select the .inf file
Ignore driver signing warning and install anyway
The device manager will see your device as rk29 device
Now you should be able to run the batchtool.exe and it should see the tablet just fine.

Post your results please so I know if these are more consistent. I will update the thread if the results are good for you all.

Rk29_driver_pkg.zip
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Old March 26th, 2013, 10:33 PM   #40 (permalink)
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Thanks to the people that have been working on this thread, and thanks to Mavrik for your persistence with the drivers.

I found this thread in my quest to root a Proscan PLT7044K my father got on the cheap, and for all intent and purposes it is a Curtis LT7033.

I started here as I wanted the play store on it -

A Step by Step Guide to getting Amazon Appstore, & Google Play on a Curtis Klu LT7033

Ended up here after having a hard time trying to get the proscan drivers working with XP.

So on my quest of messing around I found some things I hope will be of interest to people here.

First off -

This was done on a Windows XP desktop.

Tablet connected via a nondescript usb cable to a powered USB 2.0 hub.

Now -

I tried BOTH the ADB_Driver_RK29.zip and Mavrik's modified driver package to no avail, and that's not very surprising as this is the proscan and not curtis.

I would plug in the 7044k, new hardware prompt would trigger and I would manually try the proper locations of the INF's, and no go.

I tried the Curtis RKbatch tool from links provided here, and tried the USB driver included in that folder via the same new hardware found prompts and targeting, and no go.

Inspired by Mavrik's tinkering of the drivers I loaded the ADB_Driver_RK29.zip INF into Syn Text Editor and took a look around, and noticed that the device ID's for the proscan may be missing.

A quick hardware check, and I was right.



I extended the device ID's in the driver INF, saved it, and tried again.

This time the hardware manager took the drivers and installed.

Went back to RKBatch and still no love. Thinking it may not have worked I tried the Android adb and did not get a listing of the device so thought I was screwed and needed to mod the INF of the RKbatch tool.

I went ahead and used usbdeview (a usb device uninstaller) and removed everything with the 2207 vendor ID and was about to tackle the Rock USB driver when I decided to try a google search and came across this -

Firmware and files download zone | ARCTABLET NEWS

The site requires an account to download the files but it's quick and easy.

Downloaded the package, plugged in the 7044k and pointed the new hardware installer to that Rockchip USB driver.

I got love, lots of love. It took right away, dont know why but I wasnt complaining.

Fired up the Rockchip batch tool from the same package.

Did the volume down and reset button on the 7044k and it showed up in pink as device number 1.

Tried to flash, and no go. Device not compatible was the message.

For reasons I cannot explain I hit the "Switch" button in the batch tool, and a new hardware prompt came up. Pointed it to the new rockchip USB driver and it installed something else, but ended with an error of "not starting"

I figured it installed a driver and needed a reboot being XP, so I did.

Came right back to the rockchip batchtool, tablet device was pink, hit switch and device went full green.

I was able to flash the proscan firmware from the proscan website successfully.

Long story short for my XP experience-

Turn off tablet debugging.

Uninstall any drivers you may have for the R29 device.

Download the batchtool from the arctablet site above.

Plug in the tablet and point it to the rockchip USB driver in the package.

Reboot if needed

Fire up the batchtool and see if the device is there, if not green hit the switch button. If needed point back to the rockchip usb driver in the package and reboot.

Fire up the batchtool again, hit the Switch button if not green and hopefully you are all set to flash the img of your choice.

Every time I connect to the batch tool I have to hit the switch button, the tablet screen goes black and the tool goes green.

I hope I am not forgetting anything as it has been a long night and I am off to bed.

Happy flashing folks, my next step is to see if I can flash the Curtis 7033 img as they appear to be identical as per the batch tool and get onto rooting soon.
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Old March 26th, 2013, 11:04 PM   #41 (permalink)
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Originally Posted by WoohooGuy View Post
Thanks to the people that have been working on this thread, and thanks to Mavrik for your persistence with the drivers.

I found this thread in my quest to root a Proscan PLT7044K my father got on the cheap, and for all intent and purposes it is a Curtis LT7033.

I started here as I wanted the play store on it -

A Step by Step Guide to getting Amazon Appstore, & Google Play on a Curtis Klu LT7033

Ended up here after having a hard time trying to get the proscan drivers working with XP.

So on my quest of messing around I found some things I hope will be of interest to people here.

First off -

This was done on a Windows XP desktop.

Tablet connected via a nondescript usb cable to a powered USB 2.0 hub.

Now -

I tried BOTH the ADB_Driver_RK29.zip and Mavrik's modified driver package to no avail, and that's not very surprising as this is the proscan and not curtis.

I would plug in the 7044k, new hardware prompt would trigger and I would manually try the proper locations of the INF's, and no go.

I tried the Curtis RKbatch tool from links provided here, and tried the USB driver included in that folder via the same new hardware found prompts and targeting, and no go.

Inspired by Mavrik's tinkering of the drivers I loaded the ADB_Driver_RK29.zip INF into Syn Text Editor and took a look around, and noticed that the device ID's for the proscan may be missing.

A quick hardware check, and I was right.



I extended the device ID's in the driver INF, saved it, and tried again.

This time the hardware manager took the drivers and installed.

Went back to RKBatch and still no love. Thinking it may not have worked I tried the Android adb and did not get a listing of the device so thought I was screwed and needed to mod the INF of the RKbatch tool.

I went ahead and used usbdeview (a usb device uninstaller) and removed everything with the 2207 vendor ID and was about to tackle the Rock USB driver when I decided to try a google search and came across this -

Firmware and files download zone | ARCTABLET NEWS

The site requires an account to download the files but it's quick and easy.

Downloaded the package, plugged in the 7044k and pointed the new hardware installer to that Rockchip USB driver.

I got love, lots of love. It took right away, dont know why but I wasnt complaining.

Fired up the Rockchip batch tool from the same package.

Did the volume down and reset button on the 7044k and it showed up in pink as device number 1.

Tried to flash, and no go. Device not compatible was the message.

For reasons I cannot explain I hit the "Switch" button in the batch tool, and a new hardware prompt came up. Pointed it to the new rockchip USB driver and it installed something else, but ended with an error of "not starting"

I figured it installed a driver and needed a reboot being XP, so I did.

Came right back to the rockchip batchtool, tablet device was pink, hit switch and device went full green.

I was able to flash the proscan firmware from the proscan website successfully.

Long story short for my XP experience-

Turn off tablet debugging.

Uninstall any drivers you may have for the R29 device.

Download the batchtool from the arctablet site above.

Plug in the tablet and point it to the rockchip USB driver in the package.

Reboot if needed

Fire up the batchtool and see if the device is there, if not green hit the switch button. If needed point back to the rockchip usb driver in the package and reboot.

Fire up the batchtool again, hit the Switch button if not green and hopefully you are all set to flash the img of your choice.

Every time I connect to the batch tool I have to hit the switch button, the tablet screen goes black and the tool goes green.

I hope I am not forgetting anything as it has been a long night and I am off to bed.

Happy flashing folks, my next step is to see if I can flash the Curtis 7033 img as they appear to be identical as per the batch tool and get onto rooting soon.
I wouldn't do that unless you know for sure that the partitions are the same.

Can you run a few commands for me in https://play.google.com/store/apps/details?id=jackpal.androidterm and I can tell you for sure if the partitions are exactly the same.
Otherwise, you will brick your device.

Open terminal emulator and run these commands hit enter after everyone and paste the outputs in a post here.
Quote:
su
cat /proc/mtd

cat /proc/partitions

cat /proc/cpuinfo
Post the output from those and label which ones they are
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Old March 29th, 2013, 06:30 PM   #42 (permalink)
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I wouldn't do that unless you know for sure that the partitions are the same.

Can you run a few commands for me in https://play.google.com/store/apps/details?id=jackpal.androidterm and I can tell you for sure if the partitions are exactly the same.
Otherwise, you will brick your device.

Open terminal emulator and run these commands hit enter after everyone and paste the outputs in a post here.


Post the output from those and label which ones they are

Thanks Mavrik, here it is -

u0_a69@android:/ $ cat /proc/mtd
dev: size erasesize name
mtd0: 00400000 00004000 "misc"
mtd1: 00800000 00004000 "kernel"
mtd2: 01000000 00004000 "boot"
mtd3: 01000000 00004000 "recovery"
mtd4: 20000000 00004000 "backup"
mtd5: 07400000 00004000 "cache"
mtd6: 40000000 00004000 "userdata"
mtd7: 00400000 00004000 "kpanic"
mtd8: 20000000 00004000 "system"
mtd9: 63800000 00004000 "user"

u0_a69@android:/ $ cat /proc/partitions
major minor #blocks name

31 0 4096 mtdblock0
31 1 8192 mtdblock1
31 2 16384 mtdblock2
31 3 16384 mtdblock3
31 4 524288 mtdblock4
31 5 118784 mtdblock5
31 6 1048576 mtdblock6
31 7 4096 mtdblock7
31 8 524288 mtdblock8
31 9 1630208 mtdblock9

u0_a69@android:/ $ cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 407.77
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2

Hardware : RK29board
Revision : 0000
Serial : 0000000000000000
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Old April 22nd, 2013, 11:29 AM   #43 (permalink)
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Hello everyone. I have a Curtis Klu LT7033 & I flashed it with the update file from Curtis. When it rebooted, the digitizer was dead. I see a few people have the same problem. Has anyone been able to recover from this problem? I used the files & drivers from Curtis. I have never been able to use the ADB drivers to flash the img file. It starts green, blinks yellow then turns red saying it failed. Can anyone help me?
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Old April 22nd, 2013, 10:34 PM   #44 (permalink)
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Originally Posted by ryumacleod View Post
Hello everyone. I have a Curtis Klu LT7033 & I flashed it with the update file from Curtis. When it rebooted, the digitizer was dead. I see a few people have the same problem. Has anyone been able to recover from this problem? I used the files & drivers from Curtis. I have never been able to use the ADB drivers to flash the img file. It starts green, blinks yellow then turns red saying it failed. Can anyone help me?
Seems that we are all having trouble with these drivers. They truly suck. My only suggestion would be to uninstall them and try again. Keep trying until you get it.
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Old April 24th, 2013, 11:15 PM   #45 (permalink)
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Can someone please help me? I downloaded the new firmware as per the curtis international website and flashed my tablet and now the touchscreen does not function. Any thoughts on this? I have the same exact tablet for my daughter as we bought them together (I did not upgrade this one) it still has android 4.0 on it. Do you think maybe I can backup hers and flash that backup on mine? If so how? Thank you guys
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Old April 29th, 2013, 05:05 AM   #46 (permalink)
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Can someone please help me? I downloaded the new firmware as per the curtis international website and flashed my tablet and now the touchscreen does not function. Any thoughts on this? I have the same exact tablet for my daughter as we bought them together (I did not upgrade this one) it still has android 4.0 on it. Do you think maybe I can backup hers and flash that backup on mine? If so how? Thank you guys
I have the same problem after trying root,2months,still not be resolved....
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Old April 29th, 2013, 10:51 PM   #47 (permalink)
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Does anyone have an LT7033 & LT7033D? I spoke to Curtis International (without luck) and they were USELESS! I lost my receipt so they wont do a thing to help me. I'm trying to buy an LT7033D with a cracked screen to replace the board on my LT7033. Does anyone know if the screens are compatible? If someone can help, I would be greatful.
Thanks.
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Old May 2nd, 2013, 06:58 PM   #48 (permalink)
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Thanks Mavrik, here it is -

u0_a69@android:/ $ cat /proc/mtd
dev: size erasesize name
mtd0: 00400000 00004000 "misc"
mtd1: 00800000 00004000 "kernel"
mtd2: 01000000 00004000 "boot"
mtd3: 01000000 00004000 "recovery"
mtd4: 20000000 00004000 "backup"
mtd5: 07400000 00004000 "cache"
mtd6: 40000000 00004000 "userdata"
mtd7: 00400000 00004000 "kpanic"
mtd8: 20000000 00004000 "system"
mtd9: 63800000 00004000 "user"

u0_a69@android:/ $ cat /proc/partitions
major minor #blocks name

31 0 4096 mtdblock0
31 1 8192 mtdblock1
31 2 16384 mtdblock2
31 3 16384 mtdblock3
31 4 524288 mtdblock4
31 5 118784 mtdblock5
31 6 1048576 mtdblock6
31 7 4096 mtdblock7
31 8 524288 mtdblock8
31 9 1630208 mtdblock9

u0_a69@android:/ $ cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 407.77
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2

Hardware : RK29board
Revision : 0000
Serial : 0000000000000000
And here is the Klu LT-7033

u0_a40@android:/ $ su
u0_a40@android:/ # cat /proc/partitions
major minor #blocks name

7 0 2111 loop0
179 0 15351296 mmcblk0
179 1 15350272 mmcblk0p1
31 0 4096 mtdblock0
31 1 8192 mtdblock1
31 2 16384 mtdblock2
31 3 16384 mtdblock3
31 4 524288 mtdblock4
31 5 118784 mtdblock5
31 6 1048576 mtdblock6
31 7 4096 mtdblock7
31 8 524288 mtdblock8
31 9 1630208 mtdblock9
254 0 2110 dm-0
u0_a40@android:/ #

u0_a40@android:/ $ su
u0_a40@android:/ # cat /proc/mtd
dev: size erasesize name
mtd0: 00400000 00004000 "misc"
mtd1: 00800000 00004000 "kernel"
mtd2: 01000000 00004000 "boot"
mtd3: 01000000 00004000 "recovery"
mtd4: 20000000 00004000 "backup"
mtd5: 07400000 00004000 "cache"
mtd6: 40000000 00004000 "userdata"
mtd7: 00400000 00004000 "kpanic"
mtd8: 20000000 00004000 "system"
mtd9: 63800000 00004000 "user"
u0_a40@android:/ #

u0_a40@android:/ $ su
u0_a40@android:/ # cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 407.77
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2

Hardware : RK29board
Revision : 0000
Serial : 0000000000000000
u0_a40@android:/ #
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Old May 2nd, 2013, 07:04 PM   #49 (permalink)
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Looks to be the same exact tablet...

Don't worry about the mmcblk0 and mmcblk0p1. Those are my external_SD card
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Old May 17th, 2013, 12:55 AM   #50 (permalink)
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Here is a update to my problem. I haven't been able to fix my LT7033 because there is no stock recovery image to flash back to. I bought an LT7033D thinking I could swap boards, but they are not compatible. The LT7033D has an Allwinner A13 cpu & doesn't have a way to access recovery mode like a normal android device. The model shows up as a GT704. The firmware from Curtis for the LT7033D is ICS 4.0.4 & is used to restore the tablet. I haven't been able to find a Jelly Bean update yet. Any more info would be appreciated. Thanks.
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