Dear Community,
I recently decided to unlock my bootloader and so I backed up my TA partiton/DRM Keys and went ahead. Today, I reflashed stock marshmallow to get rid of my custom ROM, and I re-rooted so that I could restore my TA partition. I restored my TA partition via the Back-up TA v9.11 tool, that completed successfully, but I'm unsure whether my bootloader has now been locked, or if it is still locked. Does restoring the TA partition automatically re-lock the bootloader or is an additional step required?
My aim for the whole process was to lock my bootloader and flash the Concept software?
P.S. In my device config settings it now says 'Bootloader Unlock allowed: yes'.
Thanks in advance.
Related
i lock and relock my bootloader a lot of times for personal reasons , but i hate it that every time i want to unlock my bootlaoder , every thing i have get wiped ,
if i backup my ta partition when i have unlock boot loader , will it work if i restore it when i have locked bootloader , will i get unlocked bootloader with no problems ?
Yes, that works. I do it myself a lot - any firmware. Just have to remember to be on stock based ROM and pure Sony kernel when restoring TA to re-lock bootloader.
Restoring backup of TA made on unlocked bootloader doesn't wipe data either:thumbup:
Sent from my C6603 using xda app-developers app
My Xperia Z1 has an unlocked bootloader and the TA partition was backed up prior to the unlock. I'm now looking to sell the phone and want to restore the TA and relock the bootloader. I've flashed the phone with build number 14.2.A.1.136 and the stock rom isn't rooted. How can I root the phone and thereby restore the TA backup/relock the bootloader?
I would install recovery, then flash SuperSu update, Restore TA and lock BL This may will leave you with a non booting Z1, I would then reflash the FTF
I have never done this (and only have the ZU) so it is untested. If there is a better way please say so.
Hi!
We know that backing up TA with locked bootloader saves DRM keys. I`m not too bothered about this as I have TA backup.
However...
If I create another copy of the TA partition once I have unlocked the bootloader (I know the DRM keys will be gone) but would it enable me to switch between locked and unlocked bootloader states just by restoring the appropriate backup?
So...
TA Backup #1 - Locked bootloader with DRM intact
TA Backup #2 - Unlocked bootloader with DRM gone
Could I just use Backup-TA to switch between both backups and unlock / relock bootloader as I wish? Or does it have to be unlocked via command line every time?
Many thanks for your input.
You can do this,
http://forum.xda-developers.com/showpost.php?p=51222121&postcount=2
gregbradley said:
You can do this,
http://forum.xda-developers.com/showpost.php?p=51222121&postcount=2
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Click to collapse
Good man. Thanks.
I have TA backup and locked bootloader.
If I unlock and thereby delete the TA partition, can I then restore the TA partition and still have working DRM functions while keeping the unlocked bootloader ?
No, if you restore TA partition, the bootlloader gets locked again!
Sadly like ulysse34 said
ulysse34 said:
No, if you restore TA partition, the bootlloader gets locked again!
Click to expand...
Click to collapse
There is no way of keeping an unlocked bootloader with DRM keys active
I unlocked the bootloader, is there any way to restore drm Keys?
chonazo2003 said:
I unlocked the bootloader, is there any way to restore drm Keys?
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Click to collapse
You can Re-Lock your device first (just to be safe)
If you used FlashTool to unlock, simply click the unlock bootloader option and make sure the IMEI and unlock code are the same and click Re-Lock
If you did it the Sony way, you should be able to use flash tool
To get back your DRM keys simply go into the TA-Backup program http://forum.xda-developers.com/showthread.php?t=2292598 (script thing) and click on 'Restore'
If you did not make a backup of your TA keys... I am sorry... but you have no way of getting them back
FlipFlopHHJ said:
I have TA backup and locked bootloader.
If I unlock and thereby delete the TA partition, can I then restore the TA partition and still have working DRM functions while keeping the unlocked bootloader ?
Click to expand...
Click to collapse
Good News, you can have an unlocked bootloader with DRM functions http://forum.xda-developers.com/crossdevice-dev/sony/xperia-z1-z2-z3-series-devices-drm-t2930672
This thread should help you out, you can have an unlocked bootloader with recovery / root and keep the low light etc functions
Hello so i unlocked the bootloader and checked the bootloader status which was unlocked but before doing it i backed up ta partition of my device. And to test it i restored it and checked again and it was showing bootloader unlocked allowed yes.
So I went ahead and unlocked the bootloader again tried many custom roms in a year.
Now after a year I am trying to restore TA partition with the help of backup ta tool but somehow I am getting error in restoring it.
So all i am asking is there any manual way to do it except for the software??
gauravbhakuni90 said:
Hello so i unlocked the bootloader and checked the bootloader status which was unlocked but before doing it i backed up ta partition of my device. And to test it i restored it and checked again and it was showing bootloader unlocked allowed yes.
So I went ahead and unlocked the bootloader again tried many custom roms in a year.
Now after a year I am trying to restore TA partition with the help of backup ta tool but somehow I am getting error in restoring it.
So all i am asking is there any manual way to do it except for the software??
Click to expand...
Click to collapse
Tell us which error you are getting?
Are you already back on stock?
My feelings are that maybe you need to be on stock bootloader or kernel to restore your ta partition.
How you searched the TA thread for a solution?
motorazrv3 said:
Tell us which error you are getting?
Are you already back on stock?
My feelings are that maybe you need to be on stock bootloader or kernel to restore your ta partition.
How you searched the TA thread for a solution?
Click to expand...
Click to collapse
Found the soultion actually i was restoring it on win 10 and i was getting error related to find.exe so i went back to the thread and literally read the whole thread when i found the soultion on the last page .
I have to replace some dll in tools folder .
Now i am able to restore it but thanks anyways.