Database Develop

[Q] Rooting 4.3 Problem

Hey guys i know there is probably an answer in here somewhere but ihave looked everywhere and tried all possible options to get this working. After my pc companion nagging at me to upgrade i bit the bullet and upgraded to JB 4.3 10.4.B.0.569
Afterwards i then found out that it had relocked bootloader and unrooted my phone..
So i went through the sony normal way of unlocked bootloader first of all... this is where i've hit a snag.. first time the Command promp told me it had failed then itried again with my KEY and it said DONE.... now my phone was stuck in a terrifying bootloop. So i then flashed 4.3 firmware using flashtools, and repaired my phone through sony center.... again.. tried to unlock bootloader and was stuck in boot loop. I have re flashed about 4 times and tried to unlock 4 times... still getting boot loops....
Any one care to shed some light on this?
Many thanks
Chris

Bootloader
Is bootloader unlock allowed?

Have you tried relocking it again using flashtool?
Sent from my C6603 using XDA Premium 4 mobile app

Hey
I was playing around with 4.3 all last night and managed to get root on my Z with locked BL,
Here is how I did it..
(Locked bootloader, skip unlocking if already unlocked)
- Flash the .67 firmware via flashtool
- Root 4.2 as you would have
- Unlock your bootloader and Backup the TA partition to relock this without losing any DRM keys
- Using flashtool flash the new firmware .569 (4.3)
- Then flash Doomlords advanced stock kernel
- Boot 4.3 and power down
- Using the recover installed with the kernel flash a superSU.zip from somewhere around here.
- Reboot and you now should have root
[Locked bl]
- Reflash ONLY just .569 kernel from the FTF
- Power on and Restore your TA partition to relock your boot loader and return everything back to normal..but with some root
As for your bootloader not unlocking properly i would first check to see if an unlock is allowed

when i try to flash 4.2 67 firmware..i just got bootloop..please someone help me..what have i done wrong..i still in LB..

Wipe data when flashing.
Sent from my C6603 using Tapatalk

Just unlock your bootloader through Flashtool when on newest firmware, flash advanced stock kernel, root,flash back stock kernel and re-lock your bootloader. should be working for you, and it wont take that much time :good::good:

kuboweb said:
Just unlock your bootloader through Flashtool when on newest firmware, flash advanced stock kernel, root,flash back stock kernel and re-lock your bootloader. should be working for you, and it wont take that much time :good::good:
Click to expand...
Click to collapse
If the warranty and features such as Bravia Engine 2 are important to anyone, please don't just follow this. Your DRM keys that allow BE2 to work and your warranty will be permanently lost.
Follow the earlier post in this thread and downgrade, root and backup your TA partition BEFORE unlocking the bootloader.
Sent from my C6603 using Tapatalk

Relocking Bootloader

Hi
I already save my DRM KEY before unlocking my bootloader. So I want to know if this step correct or not for relocking the bootloader. Flash the stock rom and restore the DRM KEY. Next relock it back using flashtool :laugh:

Reflash Stock and restore keys that should also relock bootloader..

[Q] How to relock bootloader on Xperia z1

Hello,
I have unlocked my z1 c6902 bootloader officially from sony website. I have backed up the TA partition but how to use TA partition and relock bootloader. I am on custom firware CM11. Please help i wanna re lock bt because of warranty purpose.

vijay99 said:
Hello,
I have unlocked my z1 c6902 bootloader officially from sony website. I have backed up the TA partition but how to use TA partition and relock bootloader. I am on custom firware CM11. Please help i wanna re lock bt because of warranty purpose.
Click to expand...
Click to collapse
relock your bootloader using Flashtool
guide over here http://forum.xda-developers.com/showthread.php?p=45496437#post45496437
then restore TA partition using the tool you used to backup.
http://forum.xda-developers.com/showthread.php?t=2292598

Thankyou for the help but what is pure stock kernal and flash kernal.sin? I am on cm11. Pls respond.

Just restore your TA then flash a FTF
That's it... all done....

I have first TA restore or flash a ftf? If TA so i have to do it in CM 11?

vijay99 said:
I have first TA restore or flash a ftf? If TA so i have to do it in CM 11?
Click to expand...
Click to collapse
flash ftf first then restore TA.

I don't have to root the phone? I on CM 11 I have to directly flash the ftf file and restore TA?? How to restote TA any video??

TA Restore
vijay99 said:
I don't have to root the phone? I on CM 11 I have to directly flash the ftf file and restore TA?? How to restote TA any video??
Click to expand...
Click to collapse
How did you backup your TA ?
The same tool should also have a restore option.
Whatever rooted firmware you are in...you can always restore TA. But once if you restore a TA of locked bootloader. You cant boot into CM based roms. Or any other stock based ROMS with different kernel. As locked bootloader = Stock Sony Kernel ONLY!
So once if you restored the TA and rebooted and your phone doesnt boot but gives a orange/red LED blink. Dont worry. Flash your FTF and then boot to the official stock rom.
P.S : You can also flash a FTF on unlocked Bootloader.

So now first off all I will flash a .ftf file say eg .757 and once the phone boot up I will restore my TA partition and now BT is locked ryt? Any video how to restore TA backup??
Sorry for so much trouble...

vijay99 said:
So now first off all I will flash a .ftf file say eg .757 and once the phone boot up I will restore my TA partition and now BT is locked ryt? Any video how to restore TA backup??
Sorry for so much trouble...
Click to expand...
Click to collapse
Yes
You don't need a video,just run the tool & restore like how you backup TA

Thanks I will try and let you know..!!:good:

[Q] Restore of TA partition

I bought sp once again after the first one got broken but this one have bootloader unlocking not allowed(but no simlock).
Correct me if i'm wrong: If i do try unlocking bootloader and it won't work, can i restore TA and flash stock and phone 'll be allright?

DRM Keys

Hey guys.
I have a Sony Z1 C6903. I installed DZ1Striker rom and after that i decided to unlock bootloader. i have backed up TA and ive unlocked bootloader.
now after reboot phone it wiped. and after it boot successfully i checked md5 of the image and TA Partion and they are different.
now my question is that can i restore my image or i lost my DRM keys?