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LG optimus 2x bootloop after failed cyanogen mod

Hello!
Today, i decided to install cyanogemmod on my 2x. So i downloaded ROM manager and downloaded cyanogenmod. everything went fine until i was going to boot for the first time. I got into a bootloop. so i tried taking out the battery and all that stuff but it still would't work. So i tried to recover the phone. I recovered it to a month old backup (I could not find the one i made in ROM manager before i installed cyanogenmod) The recovery went fine. But, when i rebooted it got into a loop on the lg logo! (the one without the loading bar) it would just load the lg logo, be there for like 10sec, then it would do the same. I tried recovering one more time, but it didn't work. The same thing happend. What should i do? :S Should i wipe data/factory reset?
EDIT: My phone was on android 2.3.4 before i download cyanogenmod.
BTW before i installed cyanogenmod, i forgot to clear cache and data. I was in a hurry so i did't notice the screen popping up, I automatically pressed "ok" without selecting anything.
Thanks for the help
- Kashif

Different partitions... Look for something called backtoext3 in the dev section (or somewhere else) The problem is that when you flash a custom rom like CM you convert your filesystem to EXT4, while stock is EXT3.
So basically what you have to do is:
1) Reboot into recovery
2) Wipe everything
3) Flash Backtoext3 zip
4) Restore Nandroid.
This should work. this will take you back to stock.

So i have to restart the phone, Choose wipe data/factory reset, then flash backtoext3 (how do i do it? lol) then restore nandroid (the backup i just tried to restore twice?)

kashi169 said:
So i have to restart the phone, Choose wipe data/factory reset, then flash backtoext3 (how do i do it? lol) then restore nandroid (the backup i just tried to restore twice?)
Click to expand...
Click to collapse
Yes
Flashing backtoext3 is just flashing the zip file you put on the sd card. (and then install zip from SD ) an then restore your nandroid stock backup and you're back on stock.
But you said you wanted to try CM right? In that case, wipe everything (factory reset/data + cache + dalvik) and then flash the CM7 rom and you have CM! Don't worry about backtoext3, your partitions are already on EXT4, because of your prior CM flash.

Ohh! Thanks Can you send the files for cm (2.3.4)? I've found some, but im not sure if my phone is compitable with them :S im really afraid to mess something up again

My. Signature. (CM7 temasek's KANG = the best CM7 at the moment )

I did everything and i got into a bootloop at the skating andriod screen again

OK, restored my phone back... Now it wont connect to the network and the battery has a question mark inside it. It also says the battery level is 999% heelp

Nvm, got my phone back to normal still dont understand why cm wont work...

You need cwm5 to flash cm.

I have a G2x, which is basically the same phone. But anyway, I would recommend nvflashing CWM and not getting it from ROM Manager.

CWM 5.0.2.0 will do just fine, but it is indeed old...
Anyway, are you sure you waited long enough on the CM boot screen? The first boot might take a couple of minutes. (4 or 5)

Stuck at Boot

So today my phone was on and everything was fine, then while I was charging it, went away from it a few minutes then came back it was on the boot menu. It now can not get past the boot menu ever.
I have ClockWork Mod recovery installed, and CM7.1 stable.
I did a "backup" via the ClockWork Mod Recovery of the system.
I am also quite tempted to get the CM9 RC2 installed. But screw it if it any kind of unstable. CM7.1 stable is unstable enough.
What should I do? I would prefer it if I did not lose all my stuff (like app notes etc).
Can I like just put my phone into Download Mode, place the CM9 RC2 on the root folder, then do the good old
cyanogenmodWiki Full Update Guide method via recovery
without losing anything?

tottycs said:
So today my phone was on and everything was fine, then while I was charging it, went away from it a few minutes then came back it was on the boot menu. It now can not get past the boot menu ever.
I have ClockWork Mod recovery installed, and CM7.1 stable.
I did a "backup" via the ClockWork Mod Recovery of the system.
I am also quite tempted to get the CM9 RC2 installed. But screw it if it any kind of unstable. CM7.1 stable is unstable enough.
What should I do? I would prefer it if I did not lose all my stuff (like app notes etc).
Can I like just put my phone into Download Mode, place the CM9 RC2 on the root folder, then do the good old
cyanogenmodWiki Full Update Guide method via recovery
without losing anything?
Click to expand...
Click to collapse
If you have done a "backup" from CWM before the failure just restore that.
From CWM menu try to do a dalvic and cache clean up. also clear init.d and nstool settings and try to reboot
If you want to be more adventurus and loose your contacts, sms, settings...and other stuff from CWM do full wipe and cache and dalvic and then install your favorite rom.

I tried to installthe Gnexus port rom jr03l 4.1.1 rc 10. I was on TAJB'S Jellybean rom with devil kernel. I tried to install the rom as per the instructions given. I did a nandroid backup of the current rom before attempting to do so. The flash failed as the phone rebooted into recovery after a few minutes. I tried to restore from my nandroid backup. That failed too and it came up with a message of "no free space". I rebooted the phone and the phone automatically tried to flash the gnexus port rom again. It failed rebooted and got stuck on the devil kernel screen.
After about 20 mins, i took the battery out and rebooted into recovery. I really dont know where to go from here. I need to backup my efs folder too somehow.
I have a flash zip of the gnexus port rom, the tajb rom and a cm9 nightly in my internal sd card. I also have a nandroid backup of my cm9 rom.
Any help will be greatlyy appreciated!!!
Please help me.

Hey
Just flash any firmware (Official is preferred)..root it and do a restore of the backup u have..
Done

Hey do a factory reset then try to restore your backup
Sent from my Awesome I9000 using Slim Bean

[Q] Stuck at boot screen after wiping

I installed CM 10 stable and Semaphore Kernel. Worked great. Then went to install gapps and got lots of FC's so I went on to clean cache, dalvik and to do a factory reset and suddenly I got stuck at semaphore/boot logo and couldn't go into recovery. Got the recovery fix and installed it via Odin, and it works. But, it doesn't allow me to install anything from external SD card, only internal. Of course, I don't have anything there.
What should I do? Any links for tar versions of CWM and CM 10 for i9000?

Hmmm, is it safe to assume everything will be OK if I just flash any stock firmware from sammobile?

Yup, that combined with this did the trick.

Weird CWM behaviour

Hello!
Before I want to go on to CWM I want to tell you what happened before.
Yesterday I flashed TWRP recovery which resulted in a really bad situation. I was stuck in recovery. If I pressed reboot it went straigt to recovery again, even if I pulled out the battery. So flashed the stock firmware via the KDZ flashing method and everything worked again.
Then I rooted again, installed CWM, installed CM, installed all my apps (TB backup on PC was quite old),....
So all in all it was a big amount of work and it took me a few hours.
Then everything was working again as it should and I updated all my TB backups and then I wanted to make a Nandroid backup so that I wouldnt have to do all that flashing and installing again.
So I went to recovery--> backup and restore --> backup
But it didnt finish. It always stopped with this error: Error while meaking a backup image of /system!
So i thought maybe I should install everything again, which i did. (I had already made a TB backup of all my apps, so i thought this woulb be done fast)
Well, went to recovery again, did a factory reset, wiped dalvik cache and even formated /system. Then I installed the latest CM + GAPPS and rebooted.
And the first thing i recognized was that the screen popped where it says "android is upgrading". And I wondered even more when I realized that all my apps where stille there. So obviously the factory reset and also format /system didnt work properly.
If I format /system and dont install any ROM then the device doesnt boot (which i guess is the normal behaviour). But what I want to say is that the format works there but if I flash CM afterwards all my apps are still there (despite the fact that i also did a factory reset).
All in all the phone does work normal now, but I'm not able to make a Nandroid backup and I'm really wondering why.
(I also reflashed CWM recovery but that didnt change anything)
I would be glad if s1 could help me.
PS: Could the solution be to flash stock again via KDZ and then do everything from the beginning?

Never heard of anything like this before.
Did you flash the recovery as a .IMG or through Rom manager (I would suggest to flash it with Rom manager).
Try this and report back (maybe your recovery image is damaged or smth.)
Sent from my LG-P880

I have no idea what caused this crazy behavoiur of CWM, but I started over again with flashing kdz and now everything is fine

Maybe your SD card is full. Try deleting a few files from your SD and then do the backup.
Sent from my GT-I9070 using xda premium

I dont have any external sd card and on phone memory there were more than 10GB free space

[Q] Flashed zips don't stick, phone keeps resetting to how it was yesterday morning

So I've got an HTC One on T-Mo. The CM10.1 nightly build (8/1) I had installed worked fine for a while.
Yesterday, it rebooted on its own a few times, and each time, everything I'd done since around 7 AM decided to undo itself. Texts I received went missing, apps un-updated, files on internal storage erased themselves. Every time I reboot the phone, it undoes whatever I've done. Rebooting into recovery deletes whatever zip I meant to flash!
So I already had one of the GE ROMs on internal storage. Thought I'd try flashing that. So I went into CWM, formatted /system and /data, flashed the GE ROM, wiped Dalvik, the whole deal. When I rebooted, I was once again greeted with CM10.1 the way I'd left it yesterday morning.
Restoring from a backup doesn't work either.
Tried to flash TWRP over CWM through ADB, rebooted recovery, and it's still CWM.
I'm at a loss. I can't wipe or flash or put files on my phone. Any ideas?

nickcv said:
So I've got an HTC One on T-Mo. The CM10.1 nightly build (8/1) I had installed worked fine for a while.
Yesterday, it rebooted on its own a few times, and each time, everything I'd done since around 7 AM decided to undo itself. Texts I received went missing, apps un-updated, files on internal storage erased themselves. Every time I reboot the phone, it undoes whatever I've done. Rebooting into recovery deletes whatever zip I meant to flash!
So I already had one of the GE ROMs on internal storage. Thought I'd try flashing that. So I went into CWM, formatted /system and /data, flashed the GE ROM, wiped Dalvik, the whole deal. When I rebooted, I was once again greeted with CM10.1 the way I'd left it yesterday morning.
Restoring from a backup doesn't work either.
Tried to flash TWRP over CWM through ADB, rebooted recovery, and it's still CWM.
I'm at a loss. I can't wipe or flash or put files on my phone. Any ideas?
Click to expand...
Click to collapse
Solved. eMMC isn't writing, warranty replacement incoming.