Rooting/ Unlocking Bootloader - Xperia Z1 Compact Q&A, Help & Troubleshooting

Hi guys, I am considering purchasing Z3C and it would be my first Sony phone, but I am hesitant because I read that in order to root it, you have to unlock its bootloader which will lead to loss of DMR keys and degrading camera output quality.
How does rooting work for Z1C? Is it possible to root without unlocking bootloader and losing DMR keys? Should I go for Z3C and hope that it will be possible in future?

In z1c you can easly root without unlocking bootloader. You need unlock bootloader if you want to have cm roms or aosp or have other kernel than stock. Z3c should have this option in future. In z1c you can backup your ta partition and always you can relock your bootloader

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[Q] Unlock bootloader if Allowed=No for Z1C

Hi there,
I have a network unlocked Z1C which came from o2. The bootloader unlock allowed status is No but the phone is rooted. Is there anything I can do to this to unlock it? I feel like trying CM on it
Thanks!
I have searched for answers to this but no joy...
http://forum.xda-developers.com/search.php?searchid=280903320
http://forum.xda-developers.com/search.php?searchid=280903428
Comedy- said:
Hi there,
I have a network unlocked Z1C which came from o2. The bootloader unlock allowed status is No but the phone is rooted. Is there anything I can do to this to unlock it? I feel like trying CM on it
Thanks!
I have searched for answers to this but no joy...
http://forum.xda-developers.com/search.php?searchid=280903320
http://forum.xda-developers.com/search.php?searchid=280903428
Click to expand...
Click to collapse
brilliant... ive got a z1c comping in the post today and the only reason im upgrading to it from the xperia m is so i can flash a custom kernel and get tweaking
Comedy- said:
I have a network unlocked Z1C which came from o2. The bootloader unlock allowed status is No but the phone is rooted. Is there anything I can do to this to unlock it? I feel like trying CM on it
Click to expand...
Click to collapse
If your bootloader unlock allowed status is no then you will most likely never be able to unlock that phones bootloader. I think your best bet is to contact O2 and tell them you want a phone on which the bootloader is unlockable, perhaps they can give you a special key to unlock the functionality, but I wouldn't hold my breath.
Oh and don't try CM on it, it'll just bootloop and you'll have to use SUS or PC Companion to restore a working OS.
...actually there is one hope, but it requires dismantling the phone. There is a test-point behind the battery which might enable you to put the device into a mode where it'll accept a command allowing bootloader unlock. But again, high risk, not sure if it's actually possible, easier to just sell the phone and buy an unlockable one if you want to run CM. Maybe you could even return the device, how long have you had it?
my z1c just turned up and ive got an bootloader unlock allowed :victory::victory::victory:
I have locked bootloader on EE in UK and have found that many of the tweaks I wanted can be achieved with Xposed modules. Give it a try but backup before you start.
Need a opinion by a dev
Hello there,
I was thinking about a test.
My problem is "Unlock bootloader allowed : no".
What could happen if i restore an other TA partition with "Unlock bootloader allowed : yes". I erase the old by a new one which unlockable. All i need is a TA partition build with a z1c which unlockable and the unlock code.
What do you think ?
Soory for my bad english
If you replace your ta partition it will most likely hardbrick your device.
What is a ta partition, i don't understand.
A bootloader is like a bios on motherboard.
But it is locked by a code.
The bootloader is the same on each z1c no ?
Megani said:
What is a ta partition, i don't understand.
A bootloader is like a bios on motherboard.
But it is locked by a code.
The bootloader is the same on each z1c no ?
Click to expand...
Click to collapse
Flashing another phone's TA will hard brick yours, every TA is related to the phone which comes from
mindyabiznis said:
my z1c just turned up and ive got an bootloader unlock allowed :victory::victory::victory:
Click to expand...
Click to collapse
How you done this??? I tried hundred and half methods and still CAN'T unlock damn bootloader............

[Q] Xperia Z1 compact relocking bootloader

Hi,
New to the forums and did a little snooping before posting. I recently bought a z1c australian stock and it came rooted and with the bootloader unlocked. I don't have the original DRM keys nor the TA backup. Is it still possible for me to relock the bootloader? I can't seem to update my phone via PC companion without locking it.
Thanks
Download Flashtool it lets you relock your phone
plankton000 said:
Hi,
New to the forums and did a little snooping before posting. I recently bought a z1c australian stock and it came rooted and with the bootloader unlocked. I don't have the original DRM keys nor the TA backup. Is it still possible for me to relock the bootloader? I can't seem to update my phone via PC companion without locking it.
Thanks
Click to expand...
Click to collapse
Yes, you can re-lock the bootloader, but Your DRM keys are lost unfortunately. As said in earlier post, you can use flashtool to do so. Also, there is a thread which helps You get back some of the features provided by DRM keys, although do note it does not restore DRM keys. You can find the thread here.

Consequences unlock the bootloader

Hello
I have some questions. Is there any consequences by unlocking boololader like a not working fingerprint sensor etc? After unlocking will working everything? And Is it possible to root htc 10 without unlockin bootloader?
Cheers
Unlocking will not break anything so you are safe to go. And it's impossible to root conveniently without unlocking the bootloader. (If any phone do root without unlocking, then it's seriously insecure by today's standard.)

Rooting without unlocking bootloader

Hi,
I'm really interested in buying the new Z2 play, however I've noticed that unlocking bootloader means loosing the warranty.
So, is there a way to root the phone without unlocking the bootloader?
No. Probably never will be.
Sent from my Moto Z2 Play using Tapatalk
I remember that there were some tools for Samsung mobiles like Towelroot which rooted the phone without triggering knox/unlocking bootloader.
It could be also useful to relock the bootloader and find a way to hidden the boot notification of unlocked device.
Valeriuz said:
I remember that there were some tools for Samsung mobiles like Towelroot which rooted the phone without triggering knox/unlocking bootloader.
It could be also useful to relock the bootloader and find a way to hidden the boot notification of unlocked device.
Click to expand...
Click to collapse
Towelroot is a very old exploit, and newer protection measures along with FRP make it extremely difficult if not possible at this point to unlock/relock the bootloader from Android itself.
Besides, I'm fairly sure Moto service centers will still take your phone regardless of the bootloader status given that it is a defect that is unrelated to the user (ie: ghost touches, screen burn, etc.).

Does XA1 losing some functionality when bootloader is unlocked?

I would like to buy XA1 and root it like I always do on other phones, but i'm curious about what happened of you unlock bootloader on XA1.
Does XA1 lose some functionality when bootloader is unlocked, like Z devices?
Yes. DRM gets wiped out once you unlock bootloader. The Camera loses some functionality.
Oh darn I just found a thread about it and it seems they haven't found root exploit yet

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