I flashed back to lollipop from marshmallow and unlocked the bootloader. Can I use OTA to safely upgrade? If not, how do I go back to marshmallow and keep root?
You will have to root and unlock again if you want MM back. Flash the LP to MM firmware. You use the same process to root and unlock as you did on lp
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Is it possible to downgrade from 4.4.2 to 4.1.1 to unlock the device?
You just flash the 4.1.1 then probably have to flash your bootloader if it doesn't boot and then flash the jl2 radio
Hi, I have a custom rom, the galaxy project 4.4.2. What I need to do to unlock the phone?
Can I downgrade to a custom 4.1.2 via recovery, and apply the unlock tutorial?
Correct me if I'm wrong, It's the bootloader that has to be downgraded in order to unlock using the hidden menu. But with devices that took OTA updates 4.3 or later, downgrading bootloader will brick the phone. I'm also looking for an unlock option but no luck so far because my Note 2 has OTA 4.4.2. Does anyone have better information about this?
N7 2013 LTE -> I was using factory Marshmallow and just unlocked bootloader, rooted and installed TWRP.
Can I flash any ROMs now? eg going back to a Android 5.1.1 ROM? Is it just a simple ROM flash?
Yes. Do check the bootloader version anyways. It should've been updated to marshmallow version, shouldn't be a problem
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Thanks. So as the boot loader is updated for marshmallow, I don't have to downgrade the bootloader or radio when going back to lollipop?
I m on stock marshmallow that was released recently by Asus n i wan to unlock bootloader so i can flash cm13 and other roms. All guides ask for unlock bootloader from lollipop. So is there any way through which i can unlock the bootloader without reverting back to lollipop. Have never rooted my device before.
Use the method in the video in post 141. http://forum.xda-developers.com/showthread.php?p=68481473
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If I'm on a rooted MM rom (modest rom) with the latest firmware rooted and unlocked.. Can I install a LP rom without losing root and bootloader unlock . Can I simply install a 5.1 or whatever rom?
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revdirty said:
If I'm on a rooted MM rom (modest rom) with the latest firmware rooted and unlocked.. Can I install a LP rom without losing root and bootloader unlock . Can I simply install a 5.1 or whatever rom?
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if it isn't a rooted rom you will loose root although most are rooted and you can just flash super su in twrp to root it. and roms don't write anything to the boot loader unless you are installing a full stock image in Odin. (tldr: yes)
Thanks for the clarification
So, I'm still in lollipop blobs and would like to update to marshmallow. Can I just flash the latest mm stock rom to any stock recovery? Or do I need to flash the first mm stock rom release before flashing the latest stock?
Edit: Does upgrading to mm makes the bl locked?
Hello,
You could grab the latest full stock MM to the root of SD card and let FOTAService to detect it and choose the package. It'll automatically reboot to recovery to flash updates.
I successfully updated to stock MM .134 from .196 LL without relocking bootloader. Some may have their bootloader re-locked.
Regards.
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