Be Careful!! - LG Optimus L9 P760, P765, P768, P769

Hello everybody!!
I want to warn you because of an update for l9!
you can download it but when you install it, it will only boot into recovery and nothing else works anymore!!
all the best
steve1000

Thank You. Which L9 model is this for?

it is for the lg p760 model

Notice!
To do a FOTA Update, the Phone must use Stock Recovery! But when you have installed CWM there is no Chance for Update. You have to use the KDZ Updater.
Best Greetz from Germany!
Gesendet von meinem LG-P760 mit Tapatalk 2

i noticed that today when i was upgrading my phone!
thanks

How would we get back to stock recovery before FOTA?
Sent from my LG-P769(10g) using xda-developers app

I think there is a thread with instructions or we have to flash the kdz file.
Sent from my LG-P760 using xda app-developers app

i got the same problem as well. The only way to make it work was with recovering the phone and not with the offline method, i was able to use only the normal recovery tool from lg :crying:

I had the problem and i did it with offline kdz flash and sw upgrade mode :laughing:
Sent from my LG-P760 using xda app-developers app

Using that method would kill root. You would have to root again.
Sent from my LG-P769(10g) using xda-developers app

Yes thats right but you can root it again or?
Sent from my LG-P760 using xda app-developers app

Related

Question about rooting

Hello l9 forums,
Im new to this forum and i dont understand what i need to do to root phone...I had Galaxy Ace before and it was simple for rooting and flashing..So my Q is do i need to unlock bootloader to root,because i just want root without recovery just to delete bloatware..and i saw lelus root method and i dont understand do i need to flash with kdz or im rooted after i start rootl9.bat..
Thanks in advance
Sent from my LG-P760 using xda app-developers app
n0p3zz said:
Hello l9 forums,
Im new to this forum and i dont understand what i need to do to root phone...I had Galaxy Ace before and it was simple for rooting and flashing..So my Q is do i need to unlock bootloader to root,because i just want root without recovery just to delete bloatware..and i saw lelus root method and i dont understand do i need to flash with kdz or im rooted after i start rootl9.bat..
Thanks in advance
Sent from my LG-P760 using xda app-developers app
Click to expand...
Click to collapse
You do not need and unlocked bootloader to root. Easiest root in your situation would be the app LGPwn.apk which you can find in this post: http://forum.xda-developers.com/showthread.php?t=2338816
Thanks for your answer ill try tommorow and will report
Sent from my LG-P760 using xda app-developers app
n0p3zz said:
Thanks for your answer ill try tommorow and will report
Sent from my LG-P760 using xda app-developers app
Click to expand...
Click to collapse
Its easy like flipping a coin... Dont forget to download and install SuperSu and busybox from play store
Sent from my LG-P769 using Tapatalk 4 Beta
geeshiet said:
Its easy like flipping a coin... Dont forget to download and install SuperSu and busybox from play store
Sent from my LG-P769 using Tapatalk 4 Beta
Click to expand...
Click to collapse
Rooted today and it worked like a charms
Sent from my LG-P760 using xda app-developers app

Stock recovery for locked bootloader

New l9 (p769) user, I realized there's no point in having cwm if your on a locked bootloader ( can't unlock bootloader one bit, on v20D) and I'm just wondering if anyone had the stock recovery so I can flash the official ota? And no matter what I can't get fastboot to work which I understand has to do with bootloader. Thanks!
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[email protected] said:
New l9 (p769) user, I realized there's no point in having cwm if your on a locked bootloader ( can't unlock bootloader one bit, on v20D) and I'm just wondering if anyone had the stock recovery so I can flash the official ota? And no matter what I can't get fastboot to work which I understand has to do with bootloader. Thanks!
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
Cwm is very useful even if bootloader is locked. Why do you need stock recovery for? Just update ota? And fastboot works with lock bootloaders. If you have an issue just ask me.
Sent from my LG-P769 using Tapatalk 4
It doesn't let me flash the ota? I've been trying and all it does is pretend to flash about halfway and reboots..
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[email protected] said:
It doesn't let me flash the ota? I've been trying and all it does is pretend to flash about halfway and reboots..
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
Did you modify anything? Build.prop... Or put any mods?
Sent from my LG-P769 using Tapatalk 4
No just flashed the cwm installer and that's it, the stable version. It's rooted and I haven't flashed no zip or anything
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[email protected] said:
No just flashed the cwm installer and that's it, the stable version. It's rooted and I haven't flashed no zip or anything
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
So you can't update ota... Hm, just offline flash 20f then.
Sent from my LG-P769 using Tapatalk 4
Can I flash the v20f cwm backups that I saw stickied? Wipe and flash?
Sent from my LG-P769 using xda app-developers app
Well I'd rather just apply the ota as it is without having to do that since lack of laptop at the moment, is there a way I can get the stock recovery and push it via terminal?
Again thanks for the help!
Sent from my LG-P769 using xda app-developers app
[email protected] said:
Well I'd rather just apply the ota as it is without having to do that since lack of laptop at the moment, is there a way I can get the stock recovery and push it via terminal?
Again thanks for the help!
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
you don't need to flash anything, just follow http://forum.xda-developers.com/showpost.php?p=40871273&postcount=62
So backing up and installing the 20D backup provided will get me the stock recovery?...confused cause the link you posted was talking about removing cwm, nothing about applying the 20f update. I'm on v20d right now...
Thanks!
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[email protected] said:
So backing up and installing the 20D backup provided will get me the stock recovery?...confused cause the link you posted was talking about removing cwm, nothing about applying the 20f update. I'm on v20d right now...
Thanks!
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
Okay, here we go:
1. CWM works with v20D or v20F. If you want to do OTA then you need to follow the link, that Lelus gave you, to the instructions to delete cwm from your phone.
2. If you want to flash the v20F rooted CWM backup that is on the sticky then all you have to do is download it to your sd card then get into cwm and flash the zip file.
3. I would suggest you get cwm working and backup your current ROM before you do anything just in case you run into trouble you can do the "etch-a-sketch" start over by reloading (flashing) your backup.
Good Luck!!!
Ok I deleted all remnants of cwm, renamed the file, and tried to apply the update, still no dice. Can I just restore one of the stock 20f roms stickied using cwm?
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[email protected] said:
Ok I deleted all remnants of cwm, renamed the file, and tried to apply the update, still no dice. Can I just restore one of the stock 20f roms stickied using cwm?
Sent from my LG-P769 using xda app-developers app
Click to expand...
Click to collapse
Yes and that would be the easiest way.
Sent from my LG-P769(20F) using the xda-developers app. If I helped you please hit the "thanks" button.

Flashing stock rom

This is mine request for devs,please guys,can u provide right solution for upgrade and downgrade on easy way ? In offline flashing always stuck on 16%,when i put ics,on lg update tool says,youre running latest v20h firmware.We need solution like odin or toolkit for unlock bootloader and rooting.THX
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aSpirit81 said:
This is mine request for devs,please guys,can u provide right solution for upgrade and downgrade on easy way ? In offline flashing always stuck on 16%,when i put ics,on lg update tool says,youre running latest v20h firmware.We need solution like odin or toolkit for unlock bootloader and rooting.THX
Sent from my LG-P760 using xda premium
Click to expand...
Click to collapse
Did you try to offline flash in DIAG mode and left phone turn on?
Yes,but not i am the only one who had similiar problems,so...
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aSpirit81 said:
Yes,but not i am the only one who had similiar problems,so...
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Click to expand...
Click to collapse
Your wish has been granted! http://forum.xda-developers.com/showthread.php?t=2358130
Use it wisely my friend and once you root and get custom recovery, I would advise you to make a backup before changing anything else!
Good luck!
i mean on flash stock roms,not root and unlock bl.
Any chance to someone build app for restoring l9 ?
Sent from my LG-P760 using xda premium
??
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LG P760 Stock Recovery?

Hello!
Has anybody got the LG P760 (L9) stock recovery file?
i need it please.
When anyone has got it please upload it, thanks!!
steve1000 said:
Hello!
Has anybody got the LG P760 (L9) stock recovery file?
i need it please.
When anyone has got it please upload it, thanks!!
Click to expand...
Click to collapse
You could extract it from your kdz. First kdz to bin and fls, then extract the bin to .img files. Grab the recovery.img and have fun
Sent from my LG-P760 using xda app-developers app
thanks for the reply, i already have tried this but it didn´t work
steve1000 said:
thanks for the reply, i already have tried this but it didn´t work
Click to expand...
Click to collapse
If I feel like doing it tonight, I ll give you a flasher. Does adb still work? Which ROM are you using?
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Yes adb does work, i use stock jb rom.
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steve1000 said:
Yes adb does work, i use stock jb rom.
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Click to expand...
Click to collapse
Sorry, but I am still busy... pm me in a few days, of you havent heard from me till then
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Okay i will!
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I didnt forget you yet, but I have a problem... I do have a laptop with me, but no charging cable could anyone else help him? It s not a big deal to extract it, then just replace the image in my cwm flasher.
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need major help

p769 rooted with lgwpn root and put cwm with l9recovery app. now it is saying encrypting everytime i boot. How do i fix this
Factory reset it u el b fine
Sent from my LG-P765 using Tapatalk 2
tried
not working
calexchelse said:
tried
not working
Click to expand...
Click to collapse
Did you unlock your BL? Which recovery did you install? 2nd init?
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Bl is locked. Used artas 182x app for installing cwm on locked bootloader. Loaded into cwm then when rebooted this happened
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calexchelse said:
Bl is locked. Used artas 182x app for installing cwm on locked bootloader. Loaded into cwm then when rebooted this happened
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Click to expand...
Click to collapse
Try to offline flash/unbrick your phone, by flashing the correct kdz it, or unbrick it with the lg update tool.
Sent from my LG-P760 using xda app-developers app
Same thing happened to me had to use lgmobile software update tool to restore to factory.
Sent from my LG-P769 using xda app-developers app
Update......... lg update tool is awesome. As soon as I learned how to put it in s/w mode . hahaha I fixed it
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Umm OP or anyone else can you post directions for what you did and/or a link to the update tool Im in the exact same boat and how long did it take.

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