Please Help: Relocking and Unroot - Xperia Z5 Q&A, Help & Troubleshooting

Hi,
I have been using Xperia z5 for long time have unlocked bootloader (lost DRMs) rooted and installed custom roms.
Now, i want to give this phone to my cousin who loves stock rom only and prefer to get OTA only. I want your help in stimulating the drm (using the famous patch), install stock latest, relock and Unroot.
Please advise me about the steps that i need to follow as i am feeling bit confused.
Thank in advance

You can't simulate the missing drm keys with locked bootloader. Sorry.

Related

Restoring D6603 to use OTA Updates

Hello!
I bought a phone, with unlocked bootloader and root.
So i flashed it to 23.1.A.1.28 lolli, fixed super SU and dualrecovery.
The thing is, I now want to return it to stock, so that i can get OTA by Sony Companion, and i have no idea how to do so.
Searched the forums, and found a lot of info, but I dont want to brick or ruin anything.
Can anyone please give me a step by step guide in how to do so.
Do I need to remove root, flash stock firmware, remove dualrecovery or relock, or maybe all of it?
And probably most important, in what order do I need to do it?
Help is sincerely appreciated !

In what order do I flash/relock to get OTA? Please Help

Hello!
I bought a phone, with unlocked bootloader and root. Z3 D6603
I dont know exactly how the previous owner unlocked BL etc.
But I flashed it to 23.1.A.1.28 lolli, fixed super SU and dualrecovery.
The thing is, I now want to return it to stock, so that i can get OTA updates by Sony Companion, and i have no idea how to do so.
Searched the forums, and found a lot of info, but I dont want to brick or ruin anything.
Do I need to flash stock firmware without root, remove dualrecovery or relock BL, or maybe all of it?
I posted this earlier, and im not sure if I explained it right, I said I wanted a step by step guide.
What I meant was a guideline in what ORDER to do stuff, not how to do them.
Is it enough to relock the bootloader, and then use Sony Companion to update, or do I need to flash something, maybe go back to original recovery first?
Help is sincerely appreciated !
PS: Sorry for posting again, but I dont know how to change the headline/bump the post, and need this done ASAP, or else I wont have a working phone in a few days. ( Change of sim card)
Regards ImmoralCore
Please? Anyone?
ImmoralCore said:
Please? Anyone?
Click to expand...
Click to collapse
Nothing. If it is unlocked and you dont have backup of original TA partition. There is no help. You can't get you DRM keys back and without them you cant relock to original state. And majority of Sony stock fw simply doesnt provide OTA for unlocked bootloaders, except for the new Sony Concept ROM.
You may try to download Androxyde Flashtool as it provides relock function, however it doesnt restore TA. If it brings OTA back not sure, because I always backup my TA so just try it.
Sent from my D6603 using Tapatalk

Is downgrade possible?

Hi guys, just a couple noob questions:
I'm planning to update to Marshmallow but, if I don't like it can I go back to Lollipop?
This is because maybe I'll have bugs like most people here and also because I want to root it(when they find an exploit) and that can only be done while in Lollipop am I right?
Thank you for your help.
Yes you can go back to lollipop if you want by flashing lollipop firmware with flashtool.
There is root for MM.
Is there root?
But I have to unlock the bootloader right? I'll just wait until there's a way to root without doing that.
No that's not right if an exploit is found on marshmallow then there would not be need to go to lollipop unless the exploit was found on lollipop. Also marshmallow has far less bugs than lollipop. But as @gm007 said there is unlocked bootloader root and you can downgrade by flashing firmware with flashtool
Sent from my Xperia™ Z5 using Tapatalk
GeramanX said:
Is there root?
But I have to unlock the bootloader right? I'll just wait until there's a way to root without doing that.
Click to expand...
Click to collapse
In case if you didn't know, if you're waiting for root without unlock because of the loss of functions e.g x-reality etc., check this link:
http://forum.xda-developers.com/xperia-z5/development/sony-credentials-restore-unlocking-t3296383
(Sony credentials restore after unlocking the bootloader), It simulates the sony credentials to get the sony functions back.
If you are waiting for different reason, just ignore my post.
Fleet.tw said:
In case if you didn't know, if you're waiting for root without unlock because of the loss of functions e.g x-reality etc., check this link:
http://forum.xda-developers.com/xperia-z5/development/sony-credentials-restore-unlocking-t3296383
(Sony credentials restore after unlocking the bootloader), It simulates the sony credentials to get the sony functions back.
If you are waiting for different reason, just ignore my post.
Click to expand...
Click to collapse
Thank you for your help guys, I'll update to Marshmallow and just keep waiting, I'm familiar with waiting since the PSP and PS3 era.

(Urgent Help) I need to know if i will get OTA if i root my Xperia Z5.

Please i need to know, recently i bought an Xperia Z5 Premium, but i want to root it, will i still get OTA updates?
And if someone can tell me what is the most secure way to root it.
I will thankyou a lot of your help, thanks:highfive:
OcainD said:
Please i need to know, recently i bought an Xperia Z5 Premium, but i want to root it, will i still get OTA updates?
And if someone can tell me what is the most secure way to root it.
I will thankyou a lot of your help, thanks:highfive:
Click to expand...
Click to collapse
If you use systemless root, you should be able to take updates; you'll have to unlock the bootloader and flash a custom kernel. Take a look at either SuperSU or Magisk.
Why would you need OTA, just flash newest version with flashtool and that's it.
And the most easiest way to root, is to :
unlock bootloader, flash latest 32.2.A.5.11 firmware using flashtool, and then flash patched stock kernel( twrp included), and flash latest supersu using TWRP (it will be installed systemless). Cheers
You won't receive any OTAs once you unlock your bootloader.
furkandeger said:
You won't receive any OTAs once you unlock your bootloader.
Click to expand...
Click to collapse
BTW, I will use this toolkit: https://drfone.wondershare.com/android-root.html
(Yes my xperia is supported by the toolkit)
Does this will unlock my bootloader?i dont want to loose OTA and i will only uninstall some bloatware and hide the button bar
OcainD said:
BTW, I will use this toolkit: https://drfone.wondershare.com/android-root.html
(Yes my xperia is supported by the toolkit)
Does this will unlock my bootloader?i dont want to loose OTA and i will only uninstall some bloatware and hide the button bar
Click to expand...
Click to collapse
As far as I know, there is currently no way of rooting Xperia Z5 without unlocking the bootloader. If you decide to do so, don't forget to take TA backup before doing it.
furkandeger said:
As far as I know, there is currently no way of rooting Xperia Z5 without unlocking the bootloader. If you decide to do so, don't forget to take TA backup before doing it.
Click to expand...
Click to collapse
Thanks mate, anyway i will wait for Nougat update to root my device
I wonder what would happend if somebody try to unlock device which has unlockable BL status...does he brick the phone or something other...
Sony Z5 black
Nah, it just fails to unlock.
BACKUP DRM KEYS BEFORE UNLOCKING !!!!! Just in case anything goes wrong and you need to take your phone to service center (so you won't void your warrenty)

How can I root my device?

I have a Z5 (latest software version) and simply want to root my device. How can I do it in the easiest and safest way? I have experience with rooting my Xperia Are S (device from 2011) but with the z5 it seems to be way to complicated and different.
I was reading about "DRM keys", what's that, is it important to save?
Furthermore, is it necessary to unlock my bootloader in order to get root? If yes: How can I do that? It's currently locked and I haven't found a way to unlock it.
After rooting, can I flash custom Roms aswell (like lineage with android oreo)?
I have the same problem. I have tried fastboot to unlock the bootloader but it does not detect the device.
Would we have to roll back our firmware to a working version? If so, how could we install this firmware, and which firmware would be the correct version to install?
ps Hadoujamal, if you find a solution please let me know.
Edit: https://forum.xda-developers.com/xp...oot-automatic-repack-stock-kernel-dm-t3301605
was able to get it working reading this guide.

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