Is it completely safe to restore this http://forum.xda-developers.com/showpost.php?p=41888126&postcount=280
On v20d? Locked bootloader
Worked fine for me but be sure to restore the right backup...
sent from my locked rooted P769 v20f
I'm on YouTube (BioDesigner48)
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Just a heads up that from looking around it seems there is no root method on the new Jellybean Firmware that does not require a bootloader unlock, so if you are a user that does Not want to unlock their BL and still keep root, don't take the OTA.
The update broke the symlinking method found by Wolf, and I think that was the only working one. Correct me if I am wrong c:
Also, Can someone (Preferably one who doesn't care about bootloader unlocking) please confirm if the OTA rootkeeper works? (Voodoo)
ToD
Also posted in TF300t fora.
Are there any ways to root the latest JB?
Sent from my GT-I9300 using xda app-developers app
s4nity said:
Are there any ways to root the latest JB?
Sent from my GT-I9300 using xda app-developers app
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Click to collapse
If you unlock bootloader yes.
Upgrading from ICS to Jellybean, even while using Voodoo OTA rootkeeper, broke my root.
Although I might have done something wrong, I thought I had done it right, as I had used Voodoo when applying an upgrade to ICS at somepoint in time. That time worked flawlessly.
Since then, I have unlocked my bootloader and cannot be happier! There's work by great people on this forum into custom roms & kernels. Even some very close progress to a fully functional ARM linux, which I am especially excited for; I tried some of the original versions and it was quite impressive. Recovery projects (Im using TWRP) are also very, very, handy to have!
If you're in doubts, here's one anecdote to going beyond root, and unlocking your bootloader. It was worth it for me!
Did the OTA update to JB couple weeks ago and lost root (and rootkeeper backup as well). Now unlocked the BL and using energy rom. glad I did the unlock.
I rooted all the way back on Honeycomb, now on the latest stock (4.1.1), not unlocked, and still rooted (via Voodoo OTA RootKeeper)
At the time, OTA rootkeeper was able to restore my root when upgrading from ICS to JB (since then I've ROMed up).
Perhaps it was because just before the update I deleted the rootkeeper backup and re-created it.
I updated my GSM Razr XT910 to JB of EU version. I did use Voodoo root keeper but still lost the root after backup and restore.
Anyway to gain it back??
shrenn said:
I updated my GSM Razr XT910 to JB of EU version. I did use Voodoo root keeper but still lost the root after backup and restore.
Anyway to gain it back??
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Click to collapse
some people had that problems too, theres no way to root yet, and you cant go back to ICS, so you will stuck unrooted like me
I just recently upgraded my P769BK to V20F. I saw a previous post about unlocking the v20F boot loader but it seems it's a bum post.
I take it no one has been able to unlock the boot loader for V20F yet?
I want to install Clockwork Mod and CM roms now.
Is there a way I can flash my phone to a previous update that can have the boot loader unlocked? Is that still possible? I heard about this KDZ offline flash thing but I don't know If I can do that still because I have v20F?
If I can revert to a previous version, could anyone recommend what version I should revert to and give me a link or links on what I can do further to get the BL unlocked, clockwork installed, and a good custom rom?
I'd be grateful if someone can help me with this.
Thanks!!
SovereignKnight said:
I just recently upgraded my P769BK to V20F. I saw a previous post about unlocking the v20F boot loader but it seems it's a bum post.
I take it no one has been able to unlock the boot loader for V20F yet?
I want to install Clockwork Mod and CM roms now.
Is there a way I can flash my phone to a previous update that can have the boot loader unlocked? Is that still possible? I heard about this KDZ offline flash thing but I don't know If I can do that still because I have v20F?
If I can revert to a previous version, could anyone recommend what version I should revert to and give me a link or links on what I can do further to get the BL unlocked, clockwork installed, and a good custom rom?
I'd be grateful if someone can help me with this.
Thanks!!
Click to expand...
Click to collapse
NM. I gave up. Its too much of a damn hassle.
I tried to flash the KDZ method but for some strange reason the LG Update tool just won't read any info on my phone when I have it in S/W mode. The app just crashes. Also it says that LG servers are down for maintenance when attempting to run the LG Mobile Support Tool. What a pain in the ass!
I started with the 20f too and I was able to unlock the bootloader although it was a pita tho good luck
Sent from my LG-P769 using xda app-developers app
Carloswii5 mentions in his video that you need to install L9Recovery.apk and grant it root permission or you will just boot normally.... yet in an earlier tutorial, there is no mention of this important step. Hmmmm.
Sent from my LG-P769 using XDA Premium 4 mobile app
Hi everyone. I'm using P768 and actualy unlocked bootloader. So i want to lock it because i'm going to stock rom and don't want to install any cook rom. So. How to relock bootloader?. Tks for all.
master90x said:
Hi everyone. I'm using P768 and actualy unlocked bootloader. So i want to lock it because i'm going to stock rom and don't want to install any cook rom. So. How to relock bootloader?. Tks for all.
Click to expand...
Click to collapse
If you can get hold of a pre jelly bean dump for your phone you can flash partition 1 and 2 as x-loader and u_boot and your bootloader is relocked
tks. but.....
But where can i download materials?. And how can i do? can you guide me step-by-step?
follow this link it may help use your phone model no p768 i am not responsible if any thing bad happens http://forum.xda-developers.com/optimus-l9/help/relock-bootloader-unbrick-lg-p765-v20c-t2911909
I need unlock bootloader on lg optomus l9 p769 us tmobile
thegoldenandroid said:
I need unlock bootloader on lg optomus l9 p769 us tmobile
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Click to collapse
You're in luck, i just completed my tutorial.