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LG Optimus Black P970 V20O root without recovery.

Hi A question for the factory V20O ROM, how can I, rootolni? I can only take root, can not be recovery. In this I ask for your help.

bubus44 said:
Hi A question for the factory V20O ROM, how can I, rootolni? I can only take root, can not be recovery. In this I ask for your help.
Click to expand...
Click to collapse
Which way did you use to root?download rom manager from market and flash clockworkmod recovery.
Sent from my P-970 using Tapatalk 2

gsal said:
Which way did you use to root?download rom manager from market and flash clockworkmod recovery.
Sent from my P-970 using Tapatalk 2
Click to expand...
Click to collapse
Hi, A Clockwork Sime mod I know I only have to be root. Clockwork is not wealthy

bubus44 said:
Hi, A Clockwork Sime mod I know I only have to be root. Clockwork is not wealthy
Click to expand...
Click to collapse
All right, send yours please

Sorry that i post here but i need some help please..i updated my lg optimus black to 2.3.4 v20f..can i update it to v20o?in order to root..or does it exists a way to root v20f?many thanks

If I'm right he wants to root his phone without CWM.

wessyh0 said:
If I'm right he wants to root his phone without CWM.
Click to expand...
Click to collapse
Yeah well you think CWN want without roots

paulcoltza said:
Sorry that i post here but i need some help please..i updated my lg optimus black to 2.3.4 v20f..can i update it to v20o?in order to root..or does it exists a way to root v20f?many thanks
Click to expand...
Click to collapse
The V20O HUN I can give to linket.recovery + root if you're interested I will send you, but what region are you? You can do it for you and send you, the F which country food to be served to you. should be good.

Please Help

I have installed CWM 6.0.1 recovery and all it is ok.
I made also a back up.
When I reboot the system the phone starts only in recovery. No way to start it normally!!!
What Happened?
How to solve the problem?
Please Help.
fc

fcfc20 said:
I have installed CWM 6.0.1 recovery and all it is ok.
I made also a back up.
When I reboot the system the phone starts only in recovery. No way to start it normally!!!
What Happened?
How to solve the problem?
Please Help.
fc
Click to expand...
Click to collapse
try to reinstall recovery

Flash bootloader, I cant provide you a link now but I now for sure that somebody will post it or do some searching and you'll find it!
Sent from my GT-I9001 using xda premium

failly said:
Flash bootloader, I cant provide you a link now but I now for sure that somebody will post it or do some searching and you'll find it!
Sent from my GT-I9001 using xda premium
Click to expand...
Click to collapse
Hi Thanks,
how to flash the bootloader ? By means of the recovery as well ?
fc

fcfc20 said:
Hi Thanks,
how to flash the bootloader ? By means of the recovery as well ?
fc
Click to expand...
Click to collapse
bootloader will be in .tar format so flah it via odin and your phone in download mode

fcfc20 said:
I have installed CWM 6.0.1 recovery and all it is ok.
I made also a back up.
When I reboot the system the phone starts only in recovery. No way to start it normally!!!
What Happened?
How to solve the problem?
Please Help.
fc
Click to expand...
Click to collapse
Flash the phone with another rom it will boot normal

mangomonkey00 said:
bootloader will be in .tar format so flah it via odin and your phone in download mode
Click to expand...
Click to collapse
I had the same problem. This is the solution.

fcfc20 said:
Hi Thanks,
how to flash the bootloader ? By means of the recovery as well ?
fc
Click to expand...
Click to collapse
Here it is!
http://forum.xda-developers.com/showpost.php?p=24831012&postcount=1330
Good luck let us know if this fixed your problem!
Sent from my GT-I9001 using xda premium

failly said:
Here it is!
http://forum.xda-developers.com/showpost.php?p=24831012&postcount=1330
Good luck let us know if this fixed your problem!
Sent from my GT-I9001 using xda premium
Click to expand...
Click to collapse
If that dosen't work flash your phone whit a 3 parts rom you can use :
GT-I9001 Open Europe 2011 July Android 2.3.3 I9001XXKP4 ## I9001OXAKP2 Download from http://www.sammobile.com/firmware/ is 100% the best way to fix your phone ....my phone got stuk 5 min ago after swiching from Cm9 to GB like thet i fix it

failly said:
Here it is!
http://forum.xda-developers.com/showpost.php?p=24831012&postcount=1330
Good luck let us know if this fixed your problem!
Sent from my GT-I9001 using xda premium
Click to expand...
Click to collapse
I solved reinstalling the bootloader with odin....
Thanks to everybody.

I had the same problem this fixed it too
Sent from my GT-I9001 using xda app-developers app

How to unlock bootloader

I heard the KR OB's btloader is locked from LG(donno about p970)
How to unlock it?
Sent from my LG-KU5900 using xda premium

Croid Kang said:
I heard the KR OB's btloader is locked from LG(donno about p970)
How to unlock it?
Sent from my LG-KU5900 using xda premium
Click to expand...
Click to collapse
We arent able to, but you can use an older unlocked bootloader and then modify the boot.img accordingly.
Sent from my LG-P970 using xda app-developers app

Sorry, How to?
Sent from my LG-KU5900 using xda premium

Croid Kang said:
Sorry, How to?
Sent from my LG-KU5900 using xda premium
Click to expand...
Click to collapse
Also we (P970 community) don't need to unlock the new bootloader atm.We can just use the already unlocked one that Lg gave us with GB.
I am fairly the KU5900 community is able to use CWM with the supposedly locked bootloader (Or used a similar aproach we used and used old bootloader). Check their forums.

xonar_ said:
Also we (P970 community) don't need to unlock the new bootloader atm.We can just use the already unlocked one that Lg gave us with GB.
Click to expand...
Click to collapse
You mean to say we already have our P970's bootloader unlocked from LG? Sorry for bad English.
Sent from my LG-P970 using xda premium

vishaldhamnekar said:
You mean to say we already have our P970's bootloader unlocked from LG? Sorry for bad English.
Sent from my LG-P970 using xda premium
Click to expand...
Click to collapse
Only the new V28 has got locked bootloader. All other firmware got unlocked bootloader.
Sent from my LG-P970

xonar_ said:
Only the new V28 has got locked bootloader. All other firmware got unlocked bootloader.
Sent from my LG-P970
Click to expand...
Click to collapse
No, V30Series got locked too. helLG don't want to unlock it and flashing recovery.
Sent from my LG-KU5900 using xda premium

Croid Kang said:
No, V30Series got locked too. helLG don't want to unlock it and flashing recovery.
Sent from my LG-KU5900 using xda premium
Click to expand...
Click to collapse
There is no for V30 for P970...
Sent from my LG-P970

xonar_ said:
There is no for V30 for P970...
Sent from my LG-P970
Click to expand...
Click to collapse
Sorry, but I Said KR OB, KOREAN OPTIMUS BLAXK KU5900
Sent from my LG-KU5900 using xda premium

Croid Kang said:
Sorry, but I Said KR OB, KOREAN OPTIMUS BLAXK KU5900
Sent from my LG-KU5900 using xda premium
Click to expand...
Click to collapse
Sorry I misunderstand.
Goto Korean Forum for Korean Optimus Black.
Sent from my LG-P970

Download a P970 ROM in KDZ format then convert it using LG Extract tool then using Smart Flash Tool flash the bin and fls file to your KU5900 then viola you got a Korean OB with P970 ROM that has unlocked bootloader. I'd suggest flash a stock froyo rom of P970 cos its easier to root then you can install CWM.

ejcleunamme said:
Download a P970 ROM in KDZ format then convert it using LG Extract tool then using Smart Flash Tool flash the bin and fls file to your KU5900 then viola you got a Korean OB with P970 ROM that has unlocked bootloader. I'd suggest flash a stock froyo rom of P970 cos its easier to root then you can install CWM.
Click to expand...
Click to collapse
*facepalm
Firstly if you have KU5900 using P970. You lose the ability to use 5GB of your internal memory.
Secondly if you have unlocked bootloader you can inject CWM before flashing with SFT.
Thirdly you can just use KU5900 ROM that has unlocked bootloader and inject CWM.
Sent from my LG-P970

I dont understand, install bootloader unlock??

n3n3 said:
I dont understand, install bootloader unlock??
Click to expand...
Click to collapse
A new bootloader is installed by flashing new firmware. (kdz / bin and fls )
Sent from my LG-P970

xonar_ said:
A new bootloader is installed by flashing new firmware. (kdz / bin and fls )
Sent from my LG-P970
Click to expand...
Click to collapse
How install v28c, and unlock bootloader?

n3n3 said:
How install v28c, and unlock bootloader?
Click to expand...
Click to collapse
You can't. The V28C comes with locked bootloader and we need source to make a kernel thats compatible with old bootloader.
Sent from my LG-P970

xonar_ said:
*facepalm
Firstly if you have KU5900 using P970. You lose the ability to use 5GB of your internal memory.
Secondly if you have unlocked bootloader you can inject CWM before flashing with SFT.
Thirdly you can just use KU5900 ROM that has unlocked bootloader and inject CWM.
Sent from my LG-P970
Click to expand...
Click to collapse
forgot to tell, right you'll lose the 5gb internal, cos that's how i did it before in my ku5900, after i flashed it to p970 rom i was able to use any rom i want. guess yours is the easier way.

is it possible ?????!!!!!

hi everyone
i have a docomo l07c (japanese p970) i want to convert it to p970 ? is it possible ? if yes,do u have any tuto???
plz i need help

naayja said:
hi everyone
i have a docomo l07c (japanese p970) i want to convert it to p970 ? is it possible ? if yes,do u have any tuto???
plz i need help
Click to expand...
Click to collapse
Are you able to enter cwm?
Sent from my LG-P970 using xda app-developers app

I have read from Japanese forums that you can.
Here's a tutorial but the site is in Japanese
http://win-droid.blogspot.jp/2012/09/optimus-bright-l-07coptimus-black.html

N00BY0815 said:
Are you able to enter cwm?
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
i rooted the phone and installed rom manager but i cant acces to the recovery.

noranyan said:
I have read from Japanese forums that you can.
Here's a tutorial but the site is in Japanese
http://win-droid.blogspot.jp/2012/09/optimus-bright-l-07coptimus-black.html
Click to expand...
Click to collapse
the translate is not good so i dont want to do it with a wrong way

Looks like you have to flash a v20 version of the optimus black with cwm injected (see in my noob how to) with smartflashtool (use search), do a factory reset in recovery, flash superuser.zip http://androidsu.com/superuser/, reboot & done. After this you can always access recovery via RomManager or QuickBoot app and you can flash any ROM you want (like Zeus, or ICS repacks,...)
No guarantee though... If you brick it, it's your own fault, not mine. Just try to read more about this topic first!

:laugh: :laugh: :laugh:
done
i use : B_SmartFlashTool_Extern
the i flashed it with another version : LGP970_V28C_00
the bin and fls method

Need help with Unlocking bootloader.

As the title says I need help with unlocking my bootloader for CWM because I have locked bootlader setted it on and it screwed my p880 so could someone help me?

deownagee said:
As the title says I need help with unlocking my bootloader for CWM because I have locked bootlader setted it on and it screwed my p880 so could someone help me?
Click to expand...
Click to collapse
What version do you have? EUR-XXX ?
You followed the tutorial?

deownagee said:
As the title says I need help with unlocking my bootloader for CWM because I have locked bootlader setted it on and it screwed my p880 so could someone help me?
Click to expand...
Click to collapse
You need to be on v20a, you can use the hacked kdz method as that's what I did. Then in dialer type in 3845#*880# then go to version info and look at software version. If it says euro xxx you can unlock if it doesn't then you most likely can't.
Sent from my LG-P880 using xda app-developers app

I have v20a Eur-XXX

So what do I need to do? Because I still don't know what to do...

deownagee said:
So what do I need to do? Because I still don't know what to do...
Click to expand...
Click to collapse
Here:
http://forum.xda-developers.com/showthread.php?t=2180688
follow that and no problem

RuedasLocas said:
Here:
http://forum.xda-developers.com/showthread.php?t=2180688
follow that and no problem
Click to expand...
Click to collapse
Thats Rooting I've already did that and it didn't unlock my boot loader Even thanks for the try
But well I still don't know how to unlock bootloader...

deownagee said:
Thats Rooting I've already did that and it didn't unlock my boot loader Even thanks for the try
But well I still don't know how to unlock bootloader...
Click to expand...
Click to collapse
See this (it's for recovery but includes unlocking instructions) :-
http://forum.xda-developers.com/showthread.php?t=2180138
Sent from my LG-P880 using xda app-developers app

deownagee said:
Thats Rooting I've already did that and it didn't unlock my boot loader Even thanks for the try
But well I still don't know how to unlock bootloader...
Click to expand...
Click to collapse
You're right, my mistake... Others already answered, my only advice is to pay attention to the tutorial don't do nothing you're not aware. A few persons already brick they devices, some still having problems to fix them. Take care and good luck.
Sent from my LG-P880 using xda app-developers app

yeah good advice to double check everything and importantly make a quick backup would also be my advice,best of luck

Everyone thanks for the patience! I know how to do it right now. But not sure if I want to do

deownagee said:
Everyone thanks for the patience! I know how to do it right now. But not sure if I want to do
Click to expand...
Click to collapse
If you just follow the instructions, two things can happend:
Unlock the bootloader, or not...
Allways able to go back to V10x or remain in V20A.
Now, if you start to mess with other commands and files and programs (like nvflash), than you might have a problem.

RuedasLocas said:
If you just follow the instructions, two things can happend:
Unlock the bootloader, or not...
Allways able to go back to V10x or remain in V20A.
Now, if you start to mess with other commands and files and programs (like nvflash), than you might have a problem.
Click to expand...
Click to collapse
Okay awesome! but I tried to unlock it but it's getting stuck at: <waiting for device>

deownagee said:
Okay awesome! but I tried to unlock it but it's getting stuck at: <waiting for device>
Click to expand...
Click to collapse
seems the device is not available...
you installed fastboot drivers? (updated CT_HsPhone_General_Drivers_ADB)

gtdaniel said:
seems the device is not available...
you installed fastboot drivers? (updated CT_HsPhone_General_Drivers_ADB)
Click to expand...
Click to collapse
I have every driver downloaded that i saw I have 3 of the same drivers I think...

And does it mind i have Win 7 Pro 32 Bit?

deownagee said:
I have every driver downloaded that i saw I have 3 of the same drivers I think...
Click to expand...
Click to collapse
The driver is inside of the folder you downloaded.
Sent from my LG-P880 using xda app-developers app

RuedasLocas said:
The driver is inside of the folder you downloaded.
Sent from my LG-P880 using xda app-developers app
Click to expand...
Click to collapse
Well yes I know it I even know how to do it but I'm getting stuck every time at: <waiting for device> while I did the fastboot oem unlock command so what do I need to do to fix it that it's unlocked?

P88020a-262-000
LGP880AT-00-v20a-262-000-MAR-04-2013
P88020a.1e56bb4c69
Should be implemented.
I can't unlock? :'(
(Sorry I cant post screens till I post 10msg)
Sent from my LG-P880 using xda app-developers app

Emin3ms said:
P88020a-262-000
LGP880AT-00-v20a-262-000-MAR-04-2013
P88020a.1e56bb4c69
Should be implemented.
I can't unlock? :'(
(Sorry I cant post screens till I post 10msg)
Sent from my LG-P880 using xda app-developers app
Click to expand...
Click to collapse
As far as I know, only one person was able to unlock a "262-000"...
It will be better for you to wait until tested method come out. Or for the official one.
Sent from my LG-P880 using xda app-developers app