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Old January 4th, 2013, 08:59 AM   #1 (permalink)
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Cool Casio C771 Unlock Bootloader and Install GNM Recovery via Fastboot

First of all , Do with your own risk.. im not responsible for any damage caused by your action . Im just share my experience and trial , this trick is working for me To Unlock bootloader , flashing recovery with GNM Recovery from fastboot [Command Line mode] , and finally Root your device from GNM Recovery. This is just alternative root method , i dont think it's an easier than THIS method but it's worth to try.

Im on M110 Build , still hoping for anyone here upload their M130 stock build , since i cant get OTA Update from here. But i guess this method work for all build.

The starting point is here :
Quote:
Originally Posted by Techniq View Post
In the Program Menu (##PROGRAM aka ##7764726, pass 000000) I found a setting called Bypass Booting and was wondering what it was. It is set on Disable and I don't dare enable it so I was just wondering what it does and if it would help in any of our endeavors.

I searched both the forums and Google and really haven't come up with any real results.
I've guessed that "Bypass Booting" was bootloader lock "bypassing", but how can i use that to install recovery from stock device without root access ?

Here's the step by step guide assuming everyone here has been enabling "bypass booting" - ON & C771 Boot Loader Interface driver installed on their device , just googling it or search on this forum to get the correct driver:
1. Download ADB , since im doing all my stuff from there and make sure to connect your device in computer with Debugging On [ see Setting > Application > Development > USB Debugging ] and Charge Only mode. [see attachment for ADB package for windows]

2. Execute this Command from Command Line [ im using Windows Command Line ] to Enter C771 Bootloader :
Quote:
adb reboot bootloader
you should see stuck on G'zone logo on your Device after the process completed.

3. Check device already connected and can do the fastboot command
Quote:
fastboot -i 0x0409 getvar version
- the command should have result = version: 0.5 <-- or something like that , it means the device already connected [ 0x0409 --> Vendor id of C771 ]

4. Assuming you're already have GNM Recovery image on you PC do this following command :
Quote:
fastboot -i 0x0409 flash recovery "path-to-GNM-recovery"
screenshot of mine on attachment for example.

5.
When you see something like this on CMD Windows :
Quote:
sending 'recovery' (6748 KB)...
OKAY [ 1.689s]
writing 'recovery'...
OKAY [ 1.106s]
finished. total time: 2.797s
That means the flashing process already done and succeed.

6. Now boot to Android with this command :
Quote:
fastboot -i 0x0409 continue
no need for disassembly battery anymore from bootloader interface and continue to normal booting.

7. After booting process completed and your PC detected your ADB interface again. Run this command from CMD Windows :
Quote:
adb reboot recovery
and you'll see GNM Recovery installed on your C771 Calculator eh sorry i mean Android Device.

8. Make Yourself familiar with GNM Recovery Interface on you Device , you can do root and anything you could normally do from Recovery Interface.
I'm still waiting for someone Cooking Custom ROM from this lovely calculator .

9. This is personal advisory , do a NANDROID BACKUP is strongly recomended first action after all of this done.
You should at all cost avoid to wipe /Sytem , /Boot , /etc except you really need to brick your phone for doing some development.



PS : I would prefer THIS TRICK. Once again , this is only an alternative method especially for you who have wifi error problem after rooting and lost superuser access , or accidentally restore to factory default , hoping the wifi problem gone suddenly by itself
Attached Images
File Type: png Fastboot.png (77.4 KB, 333 views)
Attached Files
File Type: zip ADB.zip (250.8 KB, 496 views)
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Last edited by rasta4rest; January 6th, 2013 at 02:52 PM. Reason: Nothing happened if you do the right thing , exactly as the guide says , it's works great without having wifi error issue.
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Old January 4th, 2013, 03:06 PM   #2 (permalink)
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That's not unlocking your bootloader?
Try
fastboot oem unlock
M
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& Casio G'zOne Commando - I just use this as a game system and waterproof camera

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Old January 4th, 2013, 05:27 PM   #3 (permalink)
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Quote:
Originally Posted by jova33 View Post
That's not unlocking your bootloader?
Try
fastboot oem unlock
M
Fastboot oem unlock , wont do anything on this "special" device.

Try:
Quote:
fastboot -i 0x0409 oem unlock 0xKEY
but i dont know where to have the key.

Above trick just for unlocking to enable flashing GNM Recovery,not to enter fastboot mode (it's disabled i think).
It's just my opinion :-D
I just did it without root access to gain root.
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Old January 7th, 2013, 06:07 PM   #4 (permalink)
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Quote:
you should see stuck on G'zone logo on your Device after the process completed.
and that is as far as I get ...
nothing else will work..
the numbers you have in bold are they specific to the phone ?
if so where do I get them from
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Old January 7th, 2013, 08:00 PM   #5 (permalink)
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ok I got all you shown in the screen shot
but when I adb reboot recovery I get this screen




what to do
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Old January 8th, 2013, 12:50 AM   #6 (permalink)
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Quote:
Originally Posted by r_hippy View Post
ok I got all you shown in the screen shot
but when I adb reboot recovery I get this screen




what to do
- I assume you have correct driver installed on your PC also you're already familiar with ADB Command.
-Are you sure have enabled bypass boot from device's program mode ?
-Make sure your device detected as bootloader interface in your pc.
Quote:
fastboot -i 0x0409 getvar version
To check fastboot command has already recognize your device.
- put that gnm recovery .img on your one of Pc partition.
(In my case i put it on D:\casio\gnm_recovery.img)
- bold numeric was Vendor Id of casio,it's global for all Casio Commando.
- the screenshot was just example,please read through entire guideline step by step.
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Old January 8th, 2013, 05:18 AM   #7 (permalink)
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drivers installed, used the drivers provided and windows install some as well




step1



step 2



step 3



and of course

what I get after I posted all ready
as you can see where I am grabbing the recovery img from in the screen shot
all commands executed successfully
I did a button combination only to get recovery screen that prompted me if I wanted to do a factory reset ..when all else failed as well
and yes
I went into the dialer and added ##7764726 hit send the I had the little windows to add the pass 000000
navigated to enabled bypass boot and it was off I did turn it on...

I followed it step by step..

and I'm very familiar with the cmd / shell I would on Linux servers and centOS Ubuntu etc
thanks for your reply
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Old January 8th, 2013, 06:08 AM   #8 (permalink)
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Quote:
Originally Posted by r_hippy View Post
drivers installed, used the drivers provided and windows install some as well




step1



step 2



step 3



and of course

what I get after I posted all ready
as you can see where I am grabbing the recovery img from in the screen shot
all commands executed successfully
I did a button combination only to get recovery screen that prompted me if I wanted to do a factory reset ..when all else failed as well
and yes
I went into the dialer and added ##7764726 hit send the I had the little windows to add the pass 000000
navigated to enabled bypass boot and it was off I did turn it on...

I followed it step by step..

and I'm very familiar with the cmd / shell I would on Linux servers and centOS Ubuntu etc
thanks for your reply
Awesome
Then right before command
Quote:
fastboot -i 0x0409 flash recovery GNM_img
try executing this command
Quote:
fastboot -i 0x0409 oem unlock
Maybe that's the missing part.
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Old January 8th, 2013, 04:07 PM   #9 (permalink)
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fastboot -i 0x0409 oem unlock
sits there starts out like
.......
then stops .. left it like that for 30 min ..

also tried the hold the 2 volume buttons down when it goes into the bott recovey and I get the droid with the ! with the triangle around it


any more ideas ?
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Old January 9th, 2013, 02:40 AM   #10 (permalink)
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That's weird,im on build m110.
I've done exactly as you do,and it's worked.
The flashing process has done with no error.
Or maybe this guide won't work on m130 build?
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Old January 9th, 2013, 02:04 PM   #11 (permalink)
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What I'm thinking is when I screwed with the su version and replaced it manually
then did it all over with the wifi on I screwed up other stuff..
I have a new one now but I have not rooted it ..
since it's refurbished So I'm going to wait till I know the phone is good..
Just in case I have to send it back..
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Old January 9th, 2013, 10:13 PM   #12 (permalink)
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Well i guess i've run out ideas.
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Old January 19th, 2013, 06:21 PM   #13 (permalink)
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I just rooted my droid commando. thanks to all the information on this forum. Like Hippy I have M130 and tried to flash recovery as described above. during recovery reboot I get screen shown by hippy. no options. I have to remove my battery to reboot to desktop. at this time what other recovery flash can I try? anyone out there with a m130 get this to work?

thanks
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Old January 19th, 2013, 07:48 PM   #14 (permalink)
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i got it to work. but not with this method. it would not install for me. the picture in this thread means that you still have stock recovery. go to this link and follow the instructions here and it will work.All In One Recovery Thread. this is how i got custom recovery on my phone.
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Old January 20th, 2013, 12:22 PM   #15 (permalink)
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i just realized that I did not use the right image file. I didn't know that the commando had its own. I just downloaded the img file at the top assuming it was the latest version without paying attion to the acronyms.

thanks monky.
now that I have GNM recovery installed, i created a backup and started peeling off stock applications. my assumption is that the recovery flash I recovered in the dump files is no longer the stock since i was flashing the wrong one. how can i tell if its stock or not?

thanks again.
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Old January 20th, 2013, 10:18 PM   #16 (permalink)
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The recovery dump is your stock recovery. And I am glad I could help. Put that recovery dump in a safe place. Just incase you need it later. I made a copy on my pc.
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Old January 22nd, 2013, 05:43 PM   #17 (permalink)
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Quote:
Originally Posted by matchsol08 View Post
i just realized that I did not use the right image file. I didn't know that the commando had its own. I just downloaded the img file at the top assuming it was the latest version without paying attion to the acronyms.

thanks monky.
now that I have GNM recovery installed, i created a backup and started peeling off stock applications. my assumption is that the recovery flash I recovered in the dump files is no longer the stock since i was flashing the wrong one. how can i tell if its stock or not?

thanks again.
so whats the right recovery for the c771 M130
2.3.3
in the thread you posted all in one recovery is where you get GNM ?

thanks
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Old January 22nd, 2013, 09:29 PM   #18 (permalink)
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it will say commando 3.06. Just click on link and scroll down to 3.06 recoverys and find the commado 3.06.
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Old January 22nd, 2013, 10:31 PM   #19 (permalink)
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all rooted and tested did the all in one recovery but something does not seem right
could someone let me know what they think ?
thanks
http://androidforums.com/getitnowmarketing/330813-all-in-one-recovery-thread-5.html#post5462962
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Old January 23rd, 2013, 07:59 PM   #20 (permalink)
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What is the problem.
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Old January 23rd, 2013, 09:23 PM   #21 (permalink)
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Default Re: Casio C771 Unlock Bootloader and Install GNM Recovery via Fastboot

I can't use the boot loader as expected. As I said in the other thread I can get there adb and scroll up and down but I can not select any option. Not even boot. I need to pull the battery to boot the phone
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Old January 24th, 2013, 07:11 PM   #22 (permalink)
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Use the menu button of the phone....bottom left of your screen to execute your highlighted action. First thing you shud do is make a backup before you start peeling stock apps.
Goodluck
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Old January 24th, 2013, 07:40 PM   #23 (permalink)
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Quote:
Originally Posted by matchsol08 View Post
Use the menu button of the phone....bottom left of your screen to execute your highlighted action. First thing you shud do is make a backup before you start peeling stock apps.
Goodluck
thanks very much for the detailed answer
for the noob

I did figure it out today playing around at luch

I did a nfull nadroid back up..
now I need to figure out what can go with out issue

thanks again
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Old February 19th, 2013, 02:04 PM   #24 (permalink)
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So I got it to the stuck G'zOne logo

adb devices returns a blank list?

If I try fastboot it comes back:

'fastboot' is not recognized as an internal or external command, operable program or batch file
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Old February 19th, 2013, 02:50 PM   #25 (permalink)
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Default Re: Casio C771 Unlock Bootloader and Install GNM Recovery via Fastboot

Quote:
Originally Posted by unibonger View Post
So I got it to the stuck G'zOne logo

adb devices returns a blank list?

If I try fastboot it comes back:

'fastboot' is not recognized as an internal or external command, operable program or batch file
Driver missing? Or it didn't install the recovery... You unlocked the bootloader? Us terminal. Su reboot recover. You should have the Droid screen with options you us the volume buttons and the touch screen to make the backup
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Old February 19th, 2013, 03:57 PM   #26 (permalink)
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The driver is installed. I downloaded it again and tried to install just to make sure. My Win7 list of installed drivers is much, much shorter than the one you posted a picture of. Boot Loader does indeed show up though.

I had forgotten to change the Bypass Booting, so went in and changed that. Backed out, phone restarted by itself.

adb shell - changed prompt to a $
su - changed prompt to a #

entered the code in the OP of the All in One thread

"Dumping current recovery.img etc etc etc"

Then loaded up a new menu, blue background with a few options to select

Backup>NAND Backup
Selected all options
Backup
Menu for yes
Backing up

Is this proper? I guess I don't fully understand the necessity of this step, if somebody could elaborate.

TIA for the help

edit: I had followed the instructions in the AiO thread to copy the recoveryflash folder over to the SD card and placed the GNM file in there. Not sure if this is a different route to the same destination?
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Old February 19th, 2013, 04:34 PM   #27 (permalink)
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Default Re: Casio C771 Unlock Bootloader and Install GNM Recovery via Fastboot

Quote:
Originally Posted by unibonger View Post
The driver is installed. I downloaded it again and tried to install just to make sure. My Win7 list of installed drivers is much, much shorter than the one you posted a picture of. Boot Loader does indeed show up though.

I had forgotten to change the Bypass Booting, so went in and changed that. Backed out, phone restarted by itself.

adb shell - changed prompt to a $
su - changed prompt to a #

entered the code in the OP of the All in One thread

"Dumping current recovery.img etc etc etc"

Then loaded up a new menu, blue background with a few options to select

Backup>NAND Backup
Selected all options
Backup
Menu for yes
Backing up

Is this proper? I guess I don't fully understand the necessity of this step, if somebody could elaborate.

TIA for the help

edit: I had followed the instructions in the AiO thread to copy the recoveryflash folder over to the SD card and placed the GNM file in there. Not sure if this is a different route to the same destination?
Once you have the options to back up your good work select backup highlight all the use the touch screen to execute the ... Good luck
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Old February 19th, 2013, 04:36 PM   #28 (permalink)
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All backed up

Transfer it to the PC for safe keeping.

Do I leave a backup on the SD card too?

And I'm I finally green light to remove all this Verizon poo?
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Old February 19th, 2013, 04:43 PM   #29 (permalink)
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Default Re: Casio C771 Unlock Bootloader and Install GNM Recovery via Fastboot

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Originally Posted by unibonger View Post
All backed up

Transfer it to the PC for safe keeping.

Do I leave a backup on the SD card too?

And I'm I finally green light to remove all this Verizon poo?
Your gold. I leave the recovery on the sdcard. Go to the play Store and grab root App Delete and freeze them first. Before freezing backup all system apps with titiumum. Also found at the play Store.. Congratulations. And good luck
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Old February 26th, 2013, 01:04 PM   #30 (permalink)
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This is my first post, I have been lurking for a while.
Well R_hippy spent most of sunday with me working on my phone. root worked but we became stuck on the the same screen shot he posted.
No menu, he tinkered with stuff (I have no idea! What all the codes and stuff mean!) We ended unsuccessful. Still not able to get to the recovery screen, any ideas?
Thanks again R_hippy!
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Old February 27th, 2013, 01:05 PM   #31 (permalink)
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Before doing this method , i'd tried many ways to gain root access (again) after wifi breaks..
1. my /system and /system/bin already in -rwxrwx / 777 permission.
2. i'd using a lot of method zergrush exploit,superoneclick,universal gingerbread root,and z4root to gain root.
3. im still at build m110.
4. busybox already installed while i'd lost my root access and wifi error.
5. a lot of things i'd done in 2 weeks that i dont remember what else i've tried.

maybe that's the reason why this method works for me... too many experiment im not documented. Sorry all , this trick have 99% to fail.
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Old February 28th, 2013, 09:39 AM   #32 (permalink)
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I have root access can't get a recovery screen with a menu.
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Old April 15th, 2013, 06:32 PM   #33 (permalink)
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Originally Posted by matchsol08 View Post
I just rooted my droid commando. thanks to all the information on this forum. Like Hippy I have M130 and tried to flash recovery as described above. during recovery reboot I get screen shown by hippy. no options. I have to remove my battery to reboot to desktop. at this time what other recovery flash can I try? anyone out there with a m130 get this to work?

thanks
yes i was able to get it to work. you have to have the drivers for your pc for it to work. they are in the closed thread from the admin at the top, and on the first page under the m130 rooted thread.
hope this helps. also you can try to reference my how to guide, and at the same time therefore making it fixible from as system wipe
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Old May 7th, 2013, 09:14 PM   #34 (permalink)
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how to unlock c771 with software?
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Old June 26th, 2013, 10:47 PM   #35 (permalink)
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Originally Posted by rasta4rest View Post
First of all , Do with your own risk.. im not responsible for any damage caused by your action . Im just share my experience and trial , this trick is working for me To Unlock bootloader , flashing recovery with GNM Recovery from fastboot [Command Line mode] , and finally Root your device from GNM Recovery. This is just alternative root method , i dont think it's an easier than THIS method but it's worth to try.

Im on M110 Build , still hoping for anyone here upload their M130 stock build , since i cant get OTA Update from here. But i guess this method work for all build.

The starting point is here :


I've guessed that "Bypass Booting" was bootloader lock "bypassing", but how can i use that to install recovery from stock device without root access ?

Here's the step by step guide assuming everyone here has been enabling "bypass booting" - ON & C771 Boot Loader Interface driver installed on their device , just googling it or search on this forum to get the correct driver:
1. Download ADB , since im doing all my stuff from there and make sure to connect your device in computer with Debugging On [ see Setting > Application > Development > USB Debugging ] and Charge Only mode. [see attachment for ADB package for windows]

2. Execute this Command from Command Line [ im using Windows Command Line ] to Enter C771 Bootloader :
you should see stuck on G'zone logo on your Device after the process completed.

3. Check device already connected and can do the fastboot command
- the command should have result = version: 0.5 <-- or something like that , it means the device already connected [ 0x0409 --> Vendor id of C771 ]

4. Assuming you're already have GNM Recovery image on you PC do this following command :
screenshot of mine on attachment for example.

5.
When you see something like this on CMD Windows :
That means the flashing process already done and succeed.

6. Now boot to Android with this command :
no need for disassembly battery anymore from bootloader interface and continue to normal booting.

7. After booting process completed and your PC detected your ADB interface again. Run this command from CMD Windows :
and you'll see GNM Recovery installed on your C771 Calculator eh sorry i mean Android Device.

8. Make Yourself familiar with GNM Recovery Interface on you Device , you can do root and anything you could normally do from Recovery Interface.
I'm still waiting for someone Cooking Custom ROM from this lovely calculator .

9. This is personal advisory , do a NANDROID BACKUP is strongly recomended first action after all of this done.
You should at all cost avoid to wipe /Sytem , /Boot , /etc except you really need to brick your phone for doing some development.



PS : I would prefer THIS TRICK. Once again , this is only an alternative method especially for you who have wifi error problem after rooting and lost superuser access , or accidentally restore to factory default , hoping the wifi problem gone suddenly by itself
##program force closes acore??? cant get any further.... Help??
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Old June 26th, 2013, 11:36 PM   #36 (permalink)
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have you removed any apps system? can you give a list? I have one in mind...
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Old July 10th, 2013, 10:49 PM   #37 (permalink)
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I removed a bunch of stuff.... which one did you have in mind??
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Old July 10th, 2013, 10:50 PM   #38 (permalink)
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sorry been real busy with work and kids haven't been on in a while
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Old July 11th, 2013, 06:11 AM   #39 (permalink)
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##program force closes acore??? cant get any further.... Help??
I started getting his this after tweaking with v6 supercharged script. So system apps removed
Using next launcher
Might help narrow something down
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Old July 12th, 2013, 07:15 AM   #40 (permalink)
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I removed a bunch of stuff.... which one did you have in mind??
HiddenProgramMenu.apk
this happened to me a few months ago, I think this is it.
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Old July 13th, 2013, 11:20 AM   #41 (permalink)
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Thanks willster419! That was it!! haven't had time to go any further with it. Do you know what the other hidden feature menu apk is?? I also reinstalled all the ncm.phone wrapper and qualcom permissions.......just incase hhaahahaha thanks again one I get time ill hopefully have recovery on this thing.
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