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Old July 30th, 2011, 01:07 PM   #1 (permalink)
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Thumbs up The easiest way to root your Android for gingerbread! :)

Dear all,

I recently bought an LGP500 and im lovin it..!!!! Came across this forum and found that there are heaps of developments thats taking place in this platform! Really wanna thank each and everyone for their time and effort in trying to improvise on the OS.

I came across [UNOFFICIAL][ROM][stable:6.5.5,testing:6.6] CyanogenMod 7.1-RC1 (Android 2.3.4) and i really want to install it (or in that case, and good GB OS) over my froyo. I have been through a lot of threads on flashing and rooting, but im still very unclear about the whole process. Im not a computer geek, and all these jargon kinda make me feel like a bozo .

As a last resort, im trying out this thread. Would really appreciate if someone could spare some time and provide a simple walkthrough from - (a) backing up the original OS, (b) on through flashing and rooting, (c) to installing this custom ROM and (d) finally restoring it if needed for warranty purposes. Im pretty sure there are a lot of people like me who has difficulty in understanding all these processes and missing out some great developments.

I hope everyone understands this and wont consider this as one of those spam/duplicate threads, where the same Qs are repeated again and again...!

Thanks a lot for any support

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Last edited by thetriton; July 30th, 2011 at 10:19 PM. Reason: Editing the title so that its better searchable for noobs to understand rooting. It has one of the best walk throughs ;)
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Old July 30th, 2011, 06:23 PM   #2 (permalink)
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I will give it a go. I'll also try to explain what you are doing for you to understand.

So, we'll start by rooting your device. The application "gingerbreak" will do the trick. Download it here. Follow the instructions: make sure that USB Debugging is selected in Settings/Applications/Development.

Your device should now be rooted: that's great! You can use Titanium Backup to backup some settings and even applications. It's useful but not necessary. You can always go back to your current phone's firmware by using KDZ, it is really simple and I'm sure someone will tell you how to get the correct firmware and flash it if you need it. You can, however, have some problems using this tool, so I don't recommend messing around with it if you don't know what you are doing. (As an example, my phone would only boot in Emergency Mode, I couldn't even access the recovery! I fixed it but I got a little scared.)

You should also sync your contacts, I save them on my Google Account so it's easier. It's not the default option on this phone though, so you should find a way to export your contacts if you didn't save them as Google contacts.

Now, you should open up the market and search for "rom manager". You will have to install Clockworkmod Rom Manager, it will be used to install a custom recovery on your phone. Open up the application and select the first option, it should be "Flash ClockworkMod Recovery".

Next, you will need to download two .zip packages to place them on the SD card of your phone. One is the ROM itself, download it here. The other are the Google apps, you'll need those to have the market on your phone. Download here. (Both of these are from the link you posted.)

Ok, so turn off your device and reboot in the recovery mode. Do so by holding the home button, the lower volume button and the button you usually press to boot your phone. There is also a button in ROM Manager to do so.

In the recovery, you can navigate the menus using the volume buttons, the menu button and the back button. Start by selecting "backup and restore" and then "backup".

When it's done, you should "wipe data/factory reset", "wipe cache partition", and then in "advanced" you should "clear the dalvik cache".

Select "install zip from sdcard", then "choose zip from sdcard" and find the ROM you downloaded. When it's done, you should reboot your phone normally. There it is, gingerbread!

It's not done though. Reboot in recovery again. Go in "advanced" and select something like "fix package permissions". Then, select the "install zip from sdcard" and "choose zip from sdcard" option again. Find the gapps you downloaded (it stands for Google Apps).

There you go, everything is ready to be configured again

Enjoy Gingerbread, don't be afraid to ask questions if you get stuck!

PS: I didn't proofread, I'm leaving right now for the rest of the day.
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Old July 30th, 2011, 10:07 PM   #3 (permalink)
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Quote:
Originally Posted by DaSchmarotzer View Post
I will give it a go. I'll also try to explain what you are doing for you to understand.

So, we'll start by rooting your device. The application "gingerbreak" will do the trick. Download it here. Follow the instructions: make sure that USB Debugging is selected in Settings/Applications/Development.

Your device should now be rooted: that's great! You can use Titanium Backup to backup some settings and even applications. It's useful but not necessary. You can always go back to your current phone's firmware by using KDZ, it is really simple and I'm sure someone will tell you how to get the correct firmware and flash it if you need it. You can, however, have some problems using this tool, so I don't recommend messing around with it if you don't know what you are doing. (As an example, my phone would only boot in Emergency Mode, I couldn't even access the recovery! I fixed it but I got a little scared.)

You should also sync your contacts, I save them on my Google Account so it's easier. It's not the default option on this phone though, so you should find a way to export your contacts if you didn't save them as Google contacts.

Now, you should open up the market and search for "rom manager". You will have to install Clockworkmod Rom Manager, it will be used to install a custom recovery on your phone. Open up the application and select the first option, it should be "Flash ClockworkMod Recovery".

Next, you will need to download two .zip packages to place them on the SD card of your phone. One is the ROM itself, download it here. The other are the Google apps, you'll need those to have the market on your phone. Download here. (Both of these are from the link you posted.)

Ok, so turn off your device and reboot in the recovery mode. Do so by holding the home button, the lower volume button and the button you usually press to boot your phone. There is also a button in ROM Manager to do so.

In the recovery, you can navigate the menus using the volume buttons, the menu button and the back button. Start by selecting "backup and restore" and then "backup".

When it's done, you should "wipe data/factory reset", "wipe cache partition", and then in "advanced" you should "clear the dalvik cache".

Select "install zip from sdcard", then "choose zip from sdcard" and find the ROM you downloaded. When it's done, you should reboot your phone normally. There it is, gingerbread!

It's not done though. Reboot in recovery again. Go in "advanced" and select something like "fix package permissions". Then, select the "install zip from sdcard" and "choose zip from sdcard" option again. Find the gapps you downloaded (it stands for Google Apps).

There you go, everything is ready to be configured again

Enjoy Gingerbread, don't be afraid to ask questions if you get stuck!

PS: I didn't proofread, I'm leaving right now for the rest of the day.
Man! This is the best walk-through ever! So simple and has all the information needed for flashing. Great work DaSchmarotzer. Thanks
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Old July 30th, 2011, 10:13 PM   #4 (permalink)
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thanks a lot for the information mate. Just what i was looking for . I can flash my system without a hitch now. Hope all the noobs who wants to flash their Android get to see this, if only there was an option to edit the title of the post and make it easily searchable. Thanks once again dude!
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Old July 31st, 2011, 12:12 AM   #5 (permalink)
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I'm glad you liked it.

The credits really go to mik_os and the other devs. Also Lelouch for keeping me informed via private messages.

I stickied it for now until someone does a better "guide".
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Old August 3rd, 2011, 01:12 PM   #6 (permalink)
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Guide to Install Android 2.3 Gingerbread (CM7) on LG Optimus One P500
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Old August 8th, 2011, 09:46 AM   #7 (permalink)
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Quote:
Originally Posted by DaSchmarotzer View Post
I will give it a go. I'll also try to explain what you are doing for you to understand.

So, we'll start by rooting your device. The application "gingerbreak" will do the trick. Download it here. Follow the instructions: make sure that USB Debugging is selected in Settings/Applications/Development.

Your device should now be rooted: that's great! You can use Titanium Backup to backup some settings and even applications. It's useful but not necessary. You can always go back to your current phone's firmware by using KDZ, it is really simple and I'm sure someone will tell you how to get the correct firmware and flash it if you need it. You can, however, have some problems using this tool, so I don't recommend messing around with it if you don't know what you are doing. (As an example, my phone would only boot in Emergency Mode, I couldn't even access the recovery! I fixed it but I got a little scared.)

You should also sync your contacts, I save them on my Google Account so it's easier. It's not the default option on this phone though, so you should find a way to export your contacts if you didn't save them as Google contacts.

Now, you should open up the market and search for "rom manager". You will have to install Clockworkmod Rom Manager, it will be used to install a custom recovery on your phone. Open up the application and select the first option, it should be "Flash ClockworkMod Recovery".

Next, you will need to download two .zip packages to place them on the SD card of your phone. One is the ROM itself, download it here. The other are the Google apps, you'll need those to have the market on your phone. Download here. (Both of these are from the link you posted.)

Ok, so turn off your device and reboot in the recovery mode. Do so by holding the home button, the lower volume button and the button you usually press to boot your phone. There is also a button in ROM Manager to do so.

In the recovery, you can navigate the menus using the volume buttons, the menu button and the back button. Start by selecting "backup and restore" and then "backup".

When it's done, you should "wipe data/factory reset", "wipe cache partition", and then in "advanced" you should "clear the dalvik cache".

Select "install zip from sdcard", then "choose zip from sdcard" and find the ROM you downloaded. When it's done, you should reboot your phone normally. There it is, gingerbread!

It's not done though. Reboot in recovery again. Go in "advanced" and select something like "fix package permissions". Then, select the "install zip from sdcard" and "choose zip from sdcard" option again. Find the gapps you downloaded (it stands for Google Apps).

There you go, everything is ready to be configured again

Enjoy Gingerbread, don't be afraid to ask questions if you get stuck!

PS: I didn't proofread, I'm leaving right now for the rest of the day.
Many-2 Thanks for ur post. I exactly followed what you posted here and the result is very nice my mobile is now cyanogenmod7 kernel: franco's v18 + 2.6.32.42. Every thing was brilliant but I have one problem in my gallery 1 folder which contain 80 files shows only 27. i checked it through file manager there it shows hardly 10 files and they too are unable to play. All these files were smoothly played on my previous stock version of Lg P500 i.e 2.2.1. Also these are .wmv files which are not showung in gallery and in MOBO PLAYER they played with some glitch. Help me plz???????? i already unmounted or mounted my sd card.
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Old August 12th, 2011, 10:34 AM   #8 (permalink)
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Many-2 Thanks for ur post. I exactly followed what you posted here and the result is very nice my mobile is now cyanogenmod7 kernel: franco's v18 + 2.6.32.42. Every thing was brilliant but I have one problem in my gallery 1 folder which contain 80 files shows only 27. i checked it through file manager there it shows hardly 10 files and they too are unable to play. All these files were smoothly played on my previous stock version of Lg P500 i.e 2.2.1. Also these are .wmv files which are not showung in gallery and in MOBO PLAYER they played with some glitch. Help me plz???????? i already unmounted or mounted my sd card.
Try transferring them to your computer and playing them on there. If it doesn't work, they are probably corrupted files. I don't know why that would happen though, maybe an issue with your SD card. If it does work, it might be a bug with the ROM. Trying other media players might work.
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Old August 17th, 2011, 11:57 AM   #9 (permalink)
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Cry

thank you so much for your step-by-step guide! the process went flawlessly until i installed the ROM and chose restart in recovery mode... and now it's stuck on the LG logo screen what did i do wrong???

and pressing the button combo for recovery mode is not working...

edit: took battery out, had things restored in recovery mode, but i still don't understand why other people got it and i don't. please help

edit 2: followed this: http://webtrickz.com/guide-to-install-android-2-3-4-gingerbread-custom-rom-on-lg-optimus-one-step-by-step-instructions/, i have gingerbread now, woohoo!!!!
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Old August 21st, 2011, 10:02 AM   #10 (permalink)
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.wmv files are not playing in my phone.
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Old August 22nd, 2011, 09:24 AM   #11 (permalink)
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.wmv files are not playing in my phone.
Whether or not we can play a video file on our phone is determined by 3 factors:
1. codec.
2. resolution
3. bitrate

1. P500 does not have native support for all codecs. mpeg4, DiVX and XViD work for sure. Although some sites claim that we can play H263 and H264 videos, my phone cant.

There are several video players in the market that install their own codec packs that let you play any codec and any format. But when playing videos using the new codecs, I always find that audio and video goes out of sync.

2. The maximum resolution supported by the P500 is 480x320. So all videos of this resolution or lower will definately play (if the other 2 criteria are met too).

3. If the bitrate is too high, then the phone cant play it as it just doesn't have the processing power.
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Old September 14th, 2011, 05:34 AM   #12 (permalink)
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Laugh

Followed this guide. Used latest stable version of Mik_os's CyanogeMod port for O1. Worked like a charm. Big thanks to all involved.
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Old October 16th, 2011, 09:25 PM   #13 (permalink)
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Default I must be hopeless at this

The instructions seem nice and straightforward but I must be useless, I can't even get past one of the 1st steps. The link where it says get gingerbreak works for me, I saved it onto my desktop, I have winzip but don't know how to even get it to my phone. I can't even see any instructions.
Think it must be time for a rethink about all this rooting business if I can't even figure out how to get gingerbreak onto my phone....
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Old October 16th, 2011, 11:35 PM   #14 (permalink)
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you have to copy the gingerbreak to your sd crad through mass storage

HIT thanks if helped
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Old October 16th, 2011, 11:39 PM   #15 (permalink)
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Default done that

done that...with the phone hooked up to my computer I can see in the phone the different parts of the gingerbreak that I downloaded. But can't find it on the phone to open?
But thanks for your info though, any further help for a dummy like me appreciated
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Old October 16th, 2011, 11:50 PM   #16 (permalink)
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just follow the instructions in this link....

[TUTORIAL]LG Optimus one P500 with stock 2.3.3. ROM - xda-developers

Dictionary for n00b - What is.../What does ...mean?

http://forum.xda-developers.com/showthread.php?t=900905

hit thanks if helped
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Old October 17th, 2011, 04:38 AM   #17 (permalink)
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Originally Posted by aliceguy View Post
done that...with the phone hooked up to my computer I can see in the phone the different parts of the gingerbreak that I downloaded. But can't find it on the phone to open?
But thanks for your info though, any further help for a dummy like me appreciated
Unzip and copy the gingerbreak apk file to the root of your mem card, then open thinkfree office (or if you've installed any file manager from the market, you can use that too, ES file manager is the one I use, Astro is good too, the default OI file manager is crap), find the gingerbreak apk, click on it to install, then follow the rest of the instructions. You might want to disable any anti virus apps you have, there is a chance it may interfere (dont worry, the app is harmless, its not a virus).

If you can't find gingerbreak through your file manager, try using LG app installer. It should find any apks in your mem card, and you should be able to install it from there, but it doesn't always find all the apks. You can unmount and remount your mem card or restart your phone and then LG app installer should be able to find the apk (that is if it didn't find it the first time).

NOTE: If you've updated to official gingerbread, you cant root using gingerbreak.
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Old October 17th, 2011, 04:03 PM   #18 (permalink)
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Unzip and copy the gingerbreak apk file to the root of your mem card, then open thinkfree office (or if you've installed any file manager from the market, you can use that too, ES file manager is the one I use, Astro is good too, the default OI file manager is crap), find the gingerbreak apk, click on it to install, then follow the rest of the instructions. You might want to disable any anti virus apps you have, there is a chance it may interfere (dont worry, the app is harmless, its not a virus).

If you can't find gingerbreak through your file manager, try using LG app installer. It should find any apks in your mem card, and you should be able to install it from there, but it doesn't always find all the apks. You can unmount and remount your mem card or restart your phone and then LG app installer should be able to find the apk (that is if it didn't find it the first time).

NOTE: If you've updated to official gingerbread, you cant root using gingerbreak.

Thanks for all your help guys....I got gingerbread on the phone, started it up (sd card mounted, debugging ticked, formatted sd card...) and after half an hour still nothing, just kept saying it was doing its thing but to no avail. Your last little note about official gingerbread might be the key here. I updated from froyo to gingerbread through the LG site so you're saying it won't work. So can I change my version of gingerbread to an unofficial one to get around this? Thanks for the heads up on that too, very handy
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Old October 17th, 2011, 09:19 PM   #19 (permalink)
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To root, you should first install ADB Shell on your PC. You can find a lot of tutorials on how to do that if you just google for it. After installing ADB shell follow this thread

[TUTORIAL]LG Optimus one P500 with stock 2.3.3. ROM - xda-developers

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So can I change my version of gingerbread to an unofficial one to get around this?
To change from stock GB to a custom ROM, you must first root, then install custom recovery. You seem to be a novice in this, so I suggest you go through this thread

[READ FIRST] [REF] Dictionary for n00b - What is.../What does ...mean? (2011/01/17) - xda-developers
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Old October 17th, 2011, 09:27 PM   #20 (permalink)
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Quote:
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To root, you should first install ADB Shell on your PC. You can find a lot of tutorials on how to do that if you just google for it. After installing ADB shell follow this thread

[TUTORIAL]LG Optimus one P500 with stock 2.3.3. ROM - xda-developers



To change from stock GB to a custom ROM, you must first root, then install custom recovery. You seem to be a novice in this, so I suggest you go through this thread

[READ FIRST] [REF] Dictionary for n00b - What is.../What does ...mean? (2011/01/17) - xda-developers

Novice is right....haha..maybe a bit less. I was so stoked I even got Gingerbreak onto my phone only to be told that an LG upgrade to GB would stop me.
sigh....be easier just to give someone $100 bucks just to do it for me I reckon.
But thanks, I will go through everything again and try and sort it out,,,cheers
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Old October 17th, 2011, 11:51 PM   #21 (permalink)
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you can root GB you have to follow instructions in above thread ...i rooted my phone with gingerbraek on V20B firmware
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Old October 18th, 2011, 01:35 AM   #22 (permalink)
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you can root GB you have to follow instructions in above thread ...i rooted my phone with gingerbraek on V20B firmware
I have V20C...does that change things or not?
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Old October 18th, 2011, 02:47 AM   #23 (permalink)
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no i doesn't change anything you can root any version of GB...did you root

hit THANKS if helped
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Old October 18th, 2011, 07:55 PM   #24 (permalink)
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no i doesn't change anything you can root any version of GB...did you root

hit THANKS if helped
not yet
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Old November 24th, 2011, 07:23 PM   #25 (permalink)
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Exclamation No Network error

I have done everything, as mentioned in the above method. After all the installations are done, when I started my phone, I am unable to connect to the network...Its giving an error message (Error searching for network) pls help me...
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Old November 24th, 2011, 10:24 PM   #26 (permalink)
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Go to wireless and settings and in network operator choose it manually..
If you flashed cm7 then you have to change the baseband to make it work
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Old November 27th, 2011, 04:08 AM   #27 (permalink)
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well updated the phone, works ok but don't no if my girlfriend will like it
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Old January 4th, 2012, 11:14 PM   #28 (permalink)
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Quote:
Originally Posted by DaSchmarotzer View Post
Ok, so turn off your device and reboot in the recovery mode. Do so by holding the home button, the lower volume button and the button you usually press to boot your phone. There is also a button in ROM Manager to do so.
This step is giving me some problem for some reason. I followed the instructions carefully up that point many times, but when I reboot in recovery mod the phone just ends up booting normally and it's as if I was booting it for the first time (Language selection, settings, etc).

I've also tried doing manually (buttons combo), but that only reboots the phone normally without any settings being wiped.

I don't know if someone could give me some help on how to reach the recovery mode menu, but that would be appreciated a lot !
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Old January 5th, 2012, 07:55 AM   #29 (permalink)
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Download rom manager and flash cwn recovery through it ..
After flashing select reboot recovery from rom manager itself ..
It would boot into recovery .

Manual method
While switching on phone

Press and hold-- volume up or down +home + power button
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Old January 6th, 2012, 03:24 PM   #30 (permalink)
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I've already tried flashing/booting from rom manager and that wouldn't work either.
I didn't know it could be volume up instead of down, so I might try this later !

I've also tried flashing through LGMDP (taken from another thread around here) from my computer and when I rebooted I still ended up with a stock/factory phone.
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Old January 6th, 2012, 10:10 PM   #31 (permalink)
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Quote:
Originally Posted by Skreamizm View Post
I've already tried flashing/booting from rom manager and that wouldn't work either.
I didn't know it could be volume up instead of down, so I might try this later !

I've also tried flashing through LGMDP (taken from another thread around here) from my computer and when I rebooted I still ended up with a stock/factory phone.
strange lgdmp works all the time without any errors may be your flashing it wrong.
follow the method in below thread and flash again

Flash recovery from lgmdp - xda-developers

if even this fails then try amon ra recovery. instead of cwm.
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Old January 8th, 2012, 11:52 PM   #32 (permalink)
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This is the guide I followed when using lgdmp.
The only step I'm not sure I did well is the disabling of lg modem. It doesn't appear anywhere in my device manger.
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Old January 23rd, 2012, 11:58 AM   #33 (permalink)
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Question How can i root my new LG P500

I recently bought an LGP500 !
some body help me i want to root/boot my mobile then tell what is the actual process for root/boot it !
please help me somebody !!
i have no knowledge about phone root or an thing !
so please tell me easy language !!
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Old February 15th, 2012, 08:08 AM   #34 (permalink)
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Which rom did you use as I am unable to download through multiupload atm. also could you please pm me the intructions in a step-bystep format as I am confused, this being the first time I have ever rooted my phone.
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Old September 4th, 2012, 01:32 AM   #35 (permalink)
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I just do all these thing but why i install latest stable release: beta6.5.8 and got error (status 7)
It said assert failed and aborted installation

I'm in android 2.2.2 V10G now
Plz help
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