Root LG Optimus M 2.2.1 Rooted!

[dantedom]

my screen never went black like every one else, but the version of windows that you are doing it on shouldnt matter, i did mine on win7 64bit but i know someone that has done it on 32bit as well.

You can always restore your phone to factory and then try it over again.

it sounds like you messed up somewhere on the custom recovery part. when you enter the adb shell and type su do you get a #?

also were both files in the root of your SDcard unzipped?

then did you write everything in the code box with the correct spacing?

# mount -o remount,rw -t yaffs2 /dev/block/mtdblock5 /system

# cat /sdcard/flash_image > /system/bin/flash_image

# chmod 755 /system/bin/flash_image

# mv /system/etc/install-recovery.sh /system/etc/install-recovery.sh.bak

# mount -o remount,ro -t yaffs2 /dev/block/mtdblock5 /system

# flash_image recovery /sdcard/recovery-thunderc-m-v1.2.0-GNM.img


after you finish this line "# flash_image recovery /sdcard/recovery-thunderc-m-v1.2.0-GNM.img" you dont have to do anything else, just restart your phone and you should have signal.

i am actually not sure what step people get the black screen with, i have done this with three phones, mine my girlfriends and my brothers and none of them got a black screen.

just restart after that last line and you should have signal.

if you still have the same problem let me know, i will walk you through restoring your phone and then through the process from the beginning.

i unzipped the files into the sdcard. i did su into the terminal to gain root then input those commands. however this one never worked but i dont think it matters as the tutorial said."mv /system/etc/install-recovery.sh /system/etc/install-recovery.sh.bak". then i putted the command to activate the recovery rom at boot i even downloaded an app for that. but it didnt work

 

[Prime85]

i unzipped the files into the sdcard. i did su into the terminal to gain root then input those commands. however this one never worked but i dont think it matters as the tutorial said."mv /system/etc/install-recovery.sh /system/etc/install-recovery.sh.bak". then i putted the command to activate the recovery rom at boot i even downloaded an app for that. but it didnt work

interesting... i never activated the recovery rom all i did was reboot after enter the codes and it worked.

you can try to restore your phone and then start from the beginning.

 

[dantedom]

interesting... i never activated the recovery rom all i did was reboot after enter the codes and it worked.

you can try to restore your phone and then start from the beginning.

yeah i have restore it so many times that i found a way of doing it fast. loll i hope that's no part of the problem. i simply follow this guide but using this cab instead i found using a proxy while updating with the official lg tool. is useful because it works even if the phone is unbootable. thanks everything anyways. ill try everything once more

 

[mikekelso421]

instead i found using a proxy while updating with the official lg tool. is useful because it works even if the phone is unbootable.

r u saying that you know a way to connect with the phone EVEN IF ITS UNBOOTABLE!!??please explain..i have another optimus that wont boot past the LG screen and my computer wont recognize it.ive tried using ADB to try and send cmd's to it but it cant see my device.

 

[dantedom]

well basically i was upgrading the phone back after a fail attent of install the previous update so i can root it. while it was doing so my little niece disconnected the phone to play with it so then the screen went black and windows didnt want to detect the model or anything but it did see the phone presence somehow. so i used a guide and a .cab file i found using a proxy with a link from lg with the last .cab. so i forced it to upgrade with that and it worked. i thought i had to buy another phone in indead i was lucky. i hope that helps you . read reply 103 for links

p.s. if the above didnt work and if you are using windows. and you have to phone. use win+r and type devmgmt.msc and check what drivers the good phone is using. then force the bad phone to use the same drivers. when it connects even if says is not working well, it might just work. since that tutorial to update using a hacked version of lg tool didnt required me to have the phone working well or even detected it well. i just needed to put the model of the phone, the file name and the version of the firmware and pres enter. click on retry and it fixed it

p.s 2 cdmaworkshop can also send commands as hex or ascii to the phone

 

[mikekelso421]

Well my phone is stuck at the of boot screen.its not USB debugging enabled cud it won't boot.even in the device manager..could you yell me exactly what to do so I can try to recover my bricked optimus.thanks for your help once again.

 

[mikekelso421]

My thing is this.if my phone will turn on and try to boot,there's got to be a way to either get it to boot or reflash my software back on it..problem is my computer can't see my phone..usb debugging also can't be enabled cuz my phone wont boot..I tried sending an adb command to it and it said something like,device not found..so I'm fresh out of ideas..I'm somewhat a noob to this field but I'm catching on pretty well..so shoot me some ideas and ill be more than happy to try.

 

[mikekelso421]

p.s. if the above didnt work and if you are using windows. and you have to phone. use win+r and type devmgmt.msc and check what drivers the good phone is using. then force the bad phone to use the same drivers. when it connects even if says is not working well, it might just work. since that tutorial to update using a hacked version of lg tool didnt required me to have the phone working well or even detected it well. i just needed to put the model of the phone, the file name and the version of the firmware and pres enter. click on retry and it fixed it

p.s 2 cdmaworkshop can also send commands as hex or ascii to the phone

so how do i force the broken phone to use the good phone drivers??? and i have NO idea what hex or ascii is..lol sorry..i WOULD like to know though.

 

[dantedom]

My thing is this.if my phone will turn on and try to boot,there's got to be a way to either get it to boot or reflash my software back on it..problem is my computer can't see my phone..usb debugging also can't be enabled cuz my phone wont boot..I tried sending an adb command to it and it said something like,device not found..so I'm fresh out of ideas..I'm somewhat a noob to this field but I'm catching on pretty well..so shoot me some ideas and ill be more than happy to try.

in theory windows should be able to detect something unless the phone is totally unable to connect to anything. if malfuntions maybe forcing windows to use a driver on a device could do the trick if windows doesn't even detect the device i guess you could throw it away. maybe Linux Ubuntu can detect it. or some debugging usb program. mean while try this little tutorial i posted on this image bellow


follow this
ImageShack® - Online Photo and Video Hosting

 

[mikekelso421]

I don't understand how you find out where to force the drivers through.when I plug in the good phone it shows in the device manager but I don't see and port details..and then when I unplug it it disappears there's no trace of anything being plugged in.I don't even know where to start..I made a new thread about my bricked phone.just respond in that thread.thanksfor your input.

 

[sirius1y]

I had my Optimus M 2.2 rooted, simply used custom recovery, disabled signature check, used the update.zip and voila, Done! No problem with my network at all.

Thank you!

 

[hav0kk]

I had my Optimus M 2.2 rooted, simply used custom recovery, disabled signature check, used the update.zip and voila, Done! No problem with my network at all.

Thank you!

how did you start the custom recovery? adb shell or terminal? and what exactly did you type after you used either or?

I seem to not be able to start the customer recovery and have gone titanium instead at this time just to get some sort of back up.

 

[sirius1y]

how did you start the custom recovery? adb shell or terminal? and what exactly did you type after you used either or?

I seem to not be able to start the customer recovery and have gone titanium instead at this time just to get some sort of back up.

I was on 2.2 with zerorom rooted,

Just Vol- & Home & Power from powered off state.(Note: do not have the phone plugged in 'usb/power' while doing this). Then, in the zip menu, disable signature checking, browse to the update.zip and run.

Side note.. the update ran successfully, but I noticed this

update complete.............................
uhoh.................................... <-- Uh oh?? That scared me for a second, but I rebooted, and all was and is perfect. Running near 8 hours now and battery life is doing great, os seems nice and responsive. And I didn't lose any of my settings.

Hope that helps

edit: Now up 12h 45m 59s (Longest ever...) And, still 20% battery left. Kudos!

 

[xXMissLoXx]

If you have 2.2 rooted and custom recovery installed, then you can use this rom. It is not signed, so you will have to disable signature verification.
update.zip

If you already have 2.2.1 then you will have to use LGNPST. Read this thread if you are not familiar with the process:
LGNPST Lab 1.2 (Better than my fix)

Download this zip and extract it on your pc.
MS690ZV4-root.zip (coming soon)

Flash the update to your phone following andyo70's instructions, but use MS690ZV_26-root.BIN in place of the TOT file. After the update is finished you will need to copy su and busybox to /data/local/bin/ on your phone and install Superuser.apk. Then reboot and you should be rooted.

2.2.1-system.tar.gz
boot.img
recovery.img

OKAY, COULD YOU GUYS DUMB ALL THIS DOWN FOR ME? LOL I got the optimus from metro, I havent done any kind of system xhanges. Can someone PLEASE just give me step by step instructions on how to remove the stupid pre-installed apps? Please dumb down the down the computer vocab as well, thanks guys!

 

[sirius1y]

Best I can recommend is Titanium Backup. Anything that says Metro.. other than Metroweb until you download a new browser. I use Dolphin HD. You can choose "freeze" and see if you have any issues. Then if you reboot and all is well, uninstall.
On mine:

Removed:
Metroweb
411
Navigate
Loopt
Uno
Games
Pocket
SNS
Metro Backup
Facebook (The facebook for android on market is much better)

Now I enjoy battery life up to 16hrs depending on web and text use.

Hope that helps.

 

[maczdroid]

did you ever get that other video up?? I am going to try taking my 2.2.1 back tell them that its freezing all the time and see if I get luccky and get one with 2.2 again