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[Q] Flashing 5.0.1 on 4.4.4 with unlocked bootloader

Hi.. I hav a question... Can i flash 5.0.1 0n 4.4.4 with unlocked bootloader (even no root)
I tried this method but it said failed as bootloader was locked
http://forum.xda-developers.com/google-nexus-5/general/tutorial-how-to-flash-factory-image-t2513701
I wanted to try this method (scenario 1) but it only tells about sideloading OTA zip.. I don't no for sure if i can use same method to flash the whole package..
http://forum.xda-developers.com/google-nexus-5/general/info-nexus-5-ota-help-desk-t2523217
Help will be much appreciated

vikram66778 said:
Hi.. I hav a question... Can i flash 5.0.1 0n 4.4.4 with unlocked bootloader (even no root)
I tried this method but it said failed as bootloader was locked
http://forum.xda-developers.com/google-nexus-5/general/tutorial-how-to-flash-factory-image-t2513701
I wanted to try this method (scenario 1) but it only tells about sideloading OTA zip.. I don't no for sure if i can use same method to flash the whole package..
http://forum.xda-developers.com/google-nexus-5/general/info-nexus-5-ota-help-desk-t2523217
Help will be much appreciated
Click to expand...
Click to collapse
The bootloader needs to be unlocked when flashing images. In cmd type: fastboot oem unlock.

gee2012 said:
The bootloader needs to be unlocked when flashing images. In cmd type: fastboot oem unlock.
Click to expand...
Click to collapse
But y am i unable to get an OTA on my device. Am from India n some of others already got there update...

vikram66778 said:
But y am i unable to get an OTA on my device. Am from India n some of others already got there update...
Click to expand...
Click to collapse
OTA`s roll out in batches, it may take days or even weeks till everyone received the OTA. Just flash the 5.0.1 image in fastboot if you want it now .

gee2012 said:
OTA`s roll out in batches, it may take days or even weeks till everyone received the OTA. Just flash the 5.0.1 image in fastboot if you want it now .
Click to expand...
Click to collapse
:good::good:

Can i flash latest bootloader(hhz12d) & latest radio(m8974a-2.0.50.2.22) from 5.0.1 to 4.4.4....?
I am using rooted N5 running stock 4.4.4....

Should I re-lock the bootloader?

Hi everyone,
I have D6603 with with Android 5.1.1 (23.4.A.0.546) with an unlocked bootloader (done per instructions on Sony's website).
For a while now I've noticed that the device overheats when I use the camera for a few minutes. According to this article,
the new update Sony have released, is supposed to mitigate the problem.
I cannot update my phone to the new Android version, because of the unlocked bootloader.
Can/should I re-lock the bootloader? Or is there a way to stop the overheating issue?

beentold82 said:
Hi everyone,
I have D6603 with with Android 5.1.1 (23.4.A.0.546) with an unlocked bootloader (done per instructions on Sony's website).
For a while now I've noticed that the device overheats when I use the camera for a few minutes. According to this article,
the new update Sony have released, is supposed to mitigate the problem.
I cannot update my phone to the new Android version, because of the unlocked bootloader.
Can/should I re-lock the bootloader? Or is there a way to stop the overheating issue?
Click to expand...
Click to collapse
You can still update to the latest firmware with flashtool.

Beetle84 said:
You can still update to the latest firmware with flashtool.
Click to expand...
Click to collapse
Thanks for the info Beetle. May I be so rude to ask you, where I can get the most up to date flashable ROM?
I did unlock the bootloader, but never managed to install a recovery mod or get root.

[/COLOR]
beentold82 said:
Thanks for the info Beetle. May I be so rude to ask you, where I can get the most up to date flashable ROM?
I did unlock the bootloader, but never managed to install a recovery mod or get root.
Click to expand...
Click to collapse
In flashtool theres a button labelled xperifirm, if you click that and follow the instructions you can download a ftf directly.
As for root and recovery, you can use this guide http://forum.xda-developers.com/z3/general/guide-rootrecovery-how-to-root-install-t3017056 , and then create a pre rooted 5.1.1 firmware from here http://forum.xda-developers.com/crossdevice-dev/sony/tool-prfcreator-easily-create-pre-t2859904
Or you can install androplus kernel http://forum.xda-developers.com/z3/development/kernel-andropluskernel-t2925999 after you upgrade to stock 5.1.1 with fastboot, and skip the whole downgrade to kit kat which would be alot quicker.

Wow, that seems easy enough. I'll try it later tonight. Thanks again!

beentold82 said:
Wow, that seems easy enough. I'll try it later tonight. Thanks again!
Click to expand...
Click to collapse
No worries, good luck. You may have to disable virus protection to download xz dual recovery installer, well, I have to anyway, my VP doesnt like the install.bat file.

EDIT: isn't the .546 the latest?

Not sure... My phone tells me there is a system update, but it always fails because of the unlocked bootloader.

robogo1982 said:
EDIT: isn't the .546 the latest?
Click to expand...
Click to collapse
23.4.A.1.264 is I believe.

Can't flash 7.0

I got a unlocked bootloader XZ dual 8332, download tft from Xperiafirm, and at the end of flash session i got a erro :
Code:
[COLOR="Red"]01/025/2016 17:25:54 - ERROR - Have read only 524256 byte(s) instead of 780004 byte(s)
01/025/2016 17:25:54 - ERROR - Error flashing. Aborted[/COLOR]
What does it's meanning ? My phone got a "update failed" when turn on now.
Do we need check some "check box" or anything before flash a tft file ?
And is anyway to relock bootloader if we want repair by Xperia Companion or update through OTA ?
Thanks.

AFAIK flashtool is not compatible with 7.0 yet and there is no way to relock your bootloader yet.

gregbradley said:
AFAIK flashtool is not compatible with 7.0 yet and there is no way to relock your bootloader yet.
Click to expand...
Click to collapse
Wipe qnovo and try in flashtool

gregbradley said:
AFAIK flashtool is not compatible with 7.0 yet and there is no way to relock your bootloader yet.
Click to expand...
Click to collapse
I relocked by flashtool (same as unlock) and repairing by Companion now.
Btw thank you .
let's wait for new kernel to get back DRM-fix xD

Sorry to be a bother.
Same thing happened to me, how do i relock the bootloader?

Lavievn said:
I relocked by flashtool (same as unlock) and repairing by Companion now.
Btw thank you .
let's wait for new kernel to get back DRM-fix xD
Click to expand...
Click to collapse
Is the camera working for you after relock?

chawlasrijan said:
Is the camera working for you after relock?
Click to expand...
Click to collapse
No, we cant use stock camera app and got very bad and small sound volume.

Cavaleur7 said:
Sorry to be a bother.
Same thing happened to me, how do i relock the bootloader?
Click to expand...
Click to collapse
same as unlock, but now you get a "relock button", click it and everything fine but your DRM-key is gone

Lavievn said:
No, we cant use stock camera app and got very bad and small sound volume.
Click to expand...
Click to collapse
That's just sad No point to relock the bootloader then.

Need do that for update, or wait till new kernel for 7.0 with drm-fix release

chawlasrijan said:
That's just sad No point to relock the bootloader then.
Click to expand...
Click to collapse
When you flash a modified kernel with drm fix your drm is working. When you relock your bootloader your phone got factory reset itself and drm still in your phone.
Try to update via ota
After that because you are unlocked try to flash flashfire and install supersu to be rooted and searsh to drm fix file and flash it manually from any root file manager.
Another step
Uodate your unlocked phone ota update
Restart you phone
It should be working now with no drm fix
Poweroff your phone
Enter falshmode (power button + volum up) you see a purpul led
Enter adb and flash supersu sr5
It should work after flash drm manually
Try and reply please

karrouma said:
When you flash a modified kernel with drm fix your drm is working. When you relock your bootloader your phone got factory reset itself and drm still in your phone.
Try to update via ota
After that because you are unlocked try to flash flashfire and install supersu to be rooted and searsh to drm fix file and flash it manually from any root file manager.
Another step
Uodate your unlocked phone ota update
Restart you phone
It should be working now with no drm fix
Poweroff your phone
Enter falshmode (power button + volum up) you see a purpul led
Enter adb and flash supersu sr5
It should work after flash drm manually
Try and reply please
Click to expand...
Click to collapse
So much wrong info here.
Firstly, once you unlock the bootloader the TA partition where the DRM keys are stored is formatted. They are gone forever. Relocking the bootloader does not bring them back. The DRM fix replicates (Not 100% fixes) the missing functions and this fix only works on rooted phones, which you cannot have with a locked bootloader.
Secondly, do not try and update OTA with an unlocked bootloader. It could brick your device.
Are there any known issues when unlocking the boot loader?
A: Yes. When you select a device, any known issues for that device will be displayed. In addition, the following generic issues have been reported:
•Some users have experienced problems when they are accepting over the air upgrades. Therefore we do not recommend users to accept over the air upgrades, after having unlocked the boot loader. For additional information, check out the XDA Forums for hints and tips from the community.
Click to expand...
Click to collapse
Source Sony unlock bootloader FAQ

gregbradley said:
So much wrong info here.
Firstly, once you unlock the bootloader the TA partition where the DRM keys are stored is formatted. They are gone forever. Relocking the bootloader does not bring them back. The DRM fix replicates (Not 100% fixes) the missing functions and this fix only works on rooted phones, which you cannot have with a locked bootloader.
Secondly, do not try and update OTA with an unlocked bootloader. It could brick your device.
Source Sony unlock bootloader FAQ
Click to expand...
Click to collapse
I am on unlocked bootloader
I will do a backup now and will try to update OTA or via xperia companion
Turning phone off and enter flashboot to inject supersu sr5 for android 7 and then restart
I will try
If not booting ,bye bye my xz
If can't be back to android 6 , bye bye my xz
Wait my reply, it depend to the speed of my connection

karrouma said:
I am on unlocked bootloader
I will do a backup now and will try to update OTA or via xperia companion
Turning phone off and enter flashboot to inject supersu sr5 for android 7 and then restart
I will try
If not booting ,bye bye my xz
If can't be back to android 6 , bye bye my xz
Wait my reply, it depend to the speed of my connection
Click to expand...
Click to collapse
Xperia companion will fail. It will detect unlocked bootloader and not work.
OTA 'may' work, but as I said and quoted it 'may' also brick your device. Do it at your own risk.

gregbradley said:
Xperia companion will fail. It will detect unlocked bootloader and not work.
OTA 'may' work, but as I said and quoted it 'may' also brick your device. Do it at your own risk.
Click to expand...
Click to collapse
Everything you wrote is absolutely correct.
PC companion detects that the device is unlocked & OTA's automatically fails to install.
So apparently, relocking & updating is possible but relocking means you can no longer use the stock camera anymore.

chawlasrijan said:
Everything you wrote is absolutely correct.
PC companion detects that the device is unlocked & OTA's automatically fails to install.
So apparently, relocking & updating is possible but relocking means you can no longer use the stock camera anymore.
Click to expand...
Click to collapse
You should be able to then unlock again and just needo to wait for a modified kernel with drm fix for android 7
Sent from my iPad

gregbradley said:
You should be able to then unlock again and just needo to wait for a modified kernel with drm fix for android 7
Sent from my iPad
Click to expand...
Click to collapse
Unlocking your bootloader again on Nougat using official Sony guide fixed the issue for me.
Make sure you don't use Flashtool to unlock your bootloader on Nougat.
Thank you for the support

chawlasrijan said:
Unlocking your bootloader again on Nougat using official Sony guide fixed the issue for me.
Make sure you don't use Flashtool to unlock your bootloader on Nougat.
Thank you for the support
Click to expand...
Click to collapse
How to unlock
Via adb???
Steps used please
If you have the ftf can you modify your kernel now??

karrouma said:
How to unlock
Via adb???
Steps used please
If you have the ftf can you modify your kernel now??
Click to expand...
Click to collapse
Google "unlock bootloader Sony"
Click the sony developer link & follow the guide.

Relock bootloader for warranty

Hi, is It possible to relock bootloader for to have warranty back?
Thanks

once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)

shashank1320 said:
once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)
Click to expand...
Click to collapse
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/tool-srk-tool-huawei-t3369797 @alboz83

Arrandale said:
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/[email protected]
Click to expand...
Click to collapse
Yes it will only relock the bootloader but not lock. Anyone experienced with this can get this that you had unlocked your bootloader earlier

Arrandale said:
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/tool-srk-tool-huawei-t3369797 @alboz83
Click to expand...
Click to collapse
I relocked yesterday bootloader and my relocated easily. I can not find the update of stock firmware. Once found update. I clicked on update, update failed. I have not got the update since then. So I did relock. Very easy to relock. But my mobile update is not happening. Please give me some help
Sent from my [device_name] using XDA-Developers Legacy app

shashank1320 said:
once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)
Click to expand...
Click to collapse
Many people say that if we flash stock rom the bootloader stay unlock. Or i have to flash in a particular mode?
With the tool i can relock but not lock, right?

alboz83 said:
Many people say that if we flash stock rom the bootloader stay unlock. Or i have to flash in a particular mode?
With the tool i can relock but not lock, right?
Click to expand...
Click to collapse
Yup

i Read somewhere that if u flash the stock rom using dload after u have relocked the bootloader, the bootloader status will change from relock to locked. does this work? can anyone try and confirm this? i want to make sure of this before i unlock. I would be greatful forever.
Thanks

Anzee said:
i Read somewhere that if u flash the stock rom using dload after u have relocked the bootloader, the bootloader status will change from relock to locked. does this work? can anyone try and confirm this? i want to make sure of this before i unlock. I would be greatful forever.
Thanks
Click to expand...
Click to collapse
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock

shashank1320 said:
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock
Click to expand...
Click to collapse
If u flash stock?
Thank you thank you thank you you're a life saver ♥

Anzee said:
If u flash stock?
Thank you thank you thank you you're a life saver ♥
Click to expand...
Click to collapse
Yes. Did you solve the BL state?

shashank1320 said:
Yes. Did you solve the BL state?
Click to expand...
Click to collapse
No I haven't even unlocked the bl yet. I just wanted to make sure it the relock to lock state was possible before I unlock. I will do so soon when I get some time.

Anzee said:
No I haven't even unlocked the bl yet. I just wanted to make sure it the relock to lock state was possible before I unlock. I will do so soon when I get some time.
Click to expand...
Click to collapse
Yes you can always do via full ota or flashing the stock firmware via dload. Not hard to do to retain warranty:silly:

shashank1320 said:
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock
Click to expand...
Click to collapse
But dload method not work only for a single update.app file? With view 10 there are 3 files

alboz83 said:
But dload method not work only for a single update.app file? With view 10 there are 3 files
Click to expand...
Click to collapse
Use the first file, update.zip. it will contain a update.app file around 3 GB. Can use this single file.

shashank1320 said:
Use the first file, update.zip. it will contain a update.app file around 3 GB. Can use this single file.
Click to expand...
Click to collapse
Really? And I have to install over the same firmware, not an update? For example, now I'm on 162 build with unlock bootloader. If I install only update.zip of 162 build with dload method, I obtain the lock bootloader?

alboz83 said:
Really? And I have to install over the same firmware, not an update? For example, now I'm on 162 build with unlock bootloader. If I install only update.zip of 162 build with dload method, I obtain the lock bootloader?
Click to expand...
Click to collapse
Yes.

hello all guys!
i have honor 10 (now col-l29)
before rebranding (col-tl10)
may i relock the BL safety?? i have official rom

ecsalos said:
hello all guys!
i have honor 10 (now col-l29)
before rebranding (col-tl10)
may i relock the BL safety?? i have official rom
Click to expand...
Click to collapse
Why you want to relock, to gain warranty?
If so, better dload the current firmware and it will lock it safely.

because, i dont want to see everytime when i reboot my phone,this stupid message, who tells me that i have unlock bl...
i have 8.1.0.151 (c432)
i was downloaded this version when im trying to rebranding.. for official site..
if i relock with this version, the worse scenario it will be...??? brick???
if i dload the current firmware, i will install it with TWRP again? and after it will be locked safety?
and what firmware i must to dload?

Question How to flash stock firmware without root ?

hi, anyone has some kind of advice to flash old firmware as the newest have a lot of problems in terms of camera quality ? i don't have rooted my pixel 7 pro ...

Albi Lukaj said:
hi, anyone has some kind of advice to flash old firmware as the newest have a lot of problems in terms of camera quality ? i don't have rooted my pixel 7 pro ...
Click to expand...
Click to collapse
You can install the OTA update from here. Just follow the instructions Google provided at the top of the page and you should be all updated. It's only the full images that require the bootloader to be unlocked.

Just go look up factory images for Pixel phones. You can install firmware right from the web browser. You don't need to have root. Root is optional.

Do you mean without an unlocked bootloader? Root is not the same thing and does not determine how you can flash firmware.
If your bootloader is unlocked, you can use the Android Flash Tool. If your bootloader is not unlocked, downgrading is impossible.
UltimateGamer83 said:
Just go look up factory images for Pixel phones. You can install firmware right from the web browser. You don't need to have root. Root is optional.
Click to expand...
Click to collapse
This only works if OEM Unlocking is enabled in Developer Options.

V0latyle said:
Do you mean without an unlocked bootloader? Root is not the same thing and does not determine how you can flash firmware.
If your bootloader is unlocked, you can use the Android Flash Tool. If your bootloader is not unlocked, downgrading is impossible.
This only works if OEM Unlocking is enabled in Developer Options.
Click to expand...
Click to collapse
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?

Albi Lukaj said:
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?
Click to expand...
Click to collapse
Yes

Albi Lukaj said:
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?
Click to expand...
Click to collapse
@Albi Lukaj, Please be aware that unlocking your bootloader WILL WIPE YOUR DEVICE AND RETURN IT TO STOCK!!!
If that is not preferable, you might try applying the OTA like stated in Post #2, but I am not sure if it works downgrading a version (it probably doesn't)...