Locked/unlocked Bootloader - Xperia Z3 Compact Q&A, Help & Troubleshooting

Hello,
Are there any advantages of using locked bootloader device? Expect DRM functions, which I can restore on UB, is it better to have LB if I only want to use stock based roms?

Well if you want fully stable,stock based ROMs are the only choice,personally I prefer locked bootloader because I don't have to deal with DRM bullsh*t
Non-stock based ROMs are much faster than stock-based ROMs but they have bugs everywhere,most of them suffer from the camera fisheye effect

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[Q] Some questions about Custom Rom and Stock Rom

Hello !
I'm new concerning Custom Rom so i want just asking some questions about Custom Rom/Stock Rom because for a while I want change my stock rom into a Custom ROM ( with unlock/lock bootloader doesn't matter ).
Are you satisfied about your actually Custom Rom ?
And what is the advantages/disadvantages about Custom Rom ?
Thanks !
TsunaH said:
Hello !
I'm new concerning Custom Rom so i want just asking some questions about Custom Rom/Stock Rom because for a while I want change my stock rom into a Custom ROM ( with unlock/lock bootloader doesn't matter ).
Are you satisfied about your actually Custom Rom ?
And what is the advantages/disadvantages about Custom Rom ?
Thanks !
Click to expand...
Click to collapse
In simple terms stock based roms will use the Sony skin and many of Sony's apps - typically the developer will have tweaked the build to improve performance or used the most recent version of Sony apps from higher end devices (the Z1 for example). They may also add some extra features - (using the volume buttons to skip music tracks/advanced reboot menu).
Custom Roms won't have any of the Sony features and generally will be closer to unskinned AOSP (Android Open Source Project) in appearance. They will mostly have some unquie features and be more options for customisation than a stock based ROM. Developers can also release higher versions of Android than Sony, allowing the user to experience Kit Kat long before Sony release a build. They tend to perform better than stock builds because they are less bloated. Sony has significant facebook integration within it's builds for example, similarly whilst it's possible to ignore it, there is a lot of secondary marketing within a Sony build trying to get you to use their music/video/games services. Most of these apps are heavy, slowing down the device. The SP copes fine, but their are definitely smoother custom roms out there.
Ok thanks !
Sent from me

[Q] possible stupid question..

Is there any roms that are ASOP, based on stock AT&T for 5.0? All I can,find are CM12 based based roms. If that's the case, what's the reason? I have stayed away from CM roms in the past due to their lack of full functionality.(Bluetooth, camera, visual voice mail issues) Any recommendations for as close to an AOSP as possible?
I believe this has to do with the boot loader being locked and therefore all roms must be based of stock
jazzmoe76 said:
Is there any roms that are ASOP, based on stock AT&T for 5.0? All I can,find are CM12 based based roms. If that's the case, what's the reason? I have stayed away from CM roms in the past due to their lack of full functionality.(Bluetooth, camera, visual voice mail issues) Any recommendations for as close to an AOSP as possible?
Click to expand...
Click to collapse
Locked bootloader prevents any flashing of AOSP Roms and custom kernels period

Android 5.1.1 vs 7.1.1

Hello, nub here i just want ask if it's worth upgrading from 5.1.1 to 7.1.1 on my sony xperia z1 c6903
I want to know if the phone gets faster, better battery life etc...
Bleagle15 said:
Hello, nub here i just want ask if it's worth upgrading from 5.1.1 to 7.1.1 on my sony xperia z1 c6903
I want to know if the phone gets faster, better battery life etc...
Click to expand...
Click to collapse
I think you should consider this first : If you still haven't unlocked your bootloader and you like Sony's UI and apps and features, then don't unlock your bootloader and keep your Camera quality as is, it's better on locked bootloader, if you unlock your bootloader you will lose the camera quality and Sony's exclusive features (these can be recovered but not the camera quality).
Now to answer your question : First If you're frustrated by Sony's stock firmware and it became laggy for you and you don't like Sony's bloatware then Nougat is good, faster and has much more features than Lollipop, but honestly you can wait for Oreo carbon rom when it's officially out (might take sometime), the performance is faster and is much more smoother on Oreo than Nougat.
Keep in mind that you should know how to flash custom roms and not brick your device, and how to fix your bricked device before you do anything, and how to return to stock firmware.
As for battery life I think it's much better on Sony's stock firmware than any other rom (thanks to Ultra/Stamina mode and Sony's optimizations for lollipop on their firmware), and you might face some heating issues (not often) with some nougat roms, and they can be buggy too.
Keep in mind that battery life depends more on how use your phone but in general stock roms are optimized (especially sony's) to have better battery life than most custom roms.
AbduSharif20 said:
I think you should consider this first : If you still haven't unlocked your bootloader and you like Sony's UI and apps and features, then don't unlock your bootloader and keep your Camera quality as is, it's better on locked bootloader, if you unlock your bootloader you will lose the camera quality and Sony's exclusive features (these can be recovered but not the camera quality).
Now to answer your question : First If you're frustrated by Sony's stock firmware and it became laggy for you and you don't like Sony's bloatware then Nougat is good, faster and has much more features than Lollipop, but honestly you can wait for Oreo carbon rom when it's officially out (might take sometime), the performance is faster and is much more smoother on Oreo than Nougat.
Keep in mind that you should know how to flash custom roms and not brick your device, and how to fix your bricked device before you do anything, and how to return to stock firmware.
As for battery life I think it's much better on Sony's stock firmware than any other rom (thanks to Ultra/Stamina mode and Sony's optimizations for lollipop on their firmware), and you might face some heating issues (not often) with some nougat roms, and they can be buggy too.
Keep in mind that battery life depends more on how use your phone but in general stock roms are optimized (especially sony's) to have better battery life than most custom roms.
Click to expand...
Click to collapse
Okay, thanks for the reply. I guess i'm staying stock fw.
AbduSharif20 said:
I think you should consider this first : If you still haven't unlocked your bootloader and you like Sony's UI and apps and features, then don't unlock your bootloader and keep your Camera quality as is, it's better on locked bootloader, if you unlock your bootloader you will lose the camera quality and Sony's exclusive features (these can be recovered but not the camera quality).
Click to expand...
Click to collapse
You can backup the TA partition before unlocking your bootloader. If you didn't or you've lost it then you can use this mod on the stock Lollipop ROM instead.
If you've got a backup of your TA partition then you can also use this mod with an unlocked bootloader.
If you use either of the mods enter *#*#7378423#*#* into the dialer. Select service tests and then select security. If every line contains "[Key OK][Active]" then you've got working DRM functions again.
Is there anyway for one who upgraded to Nougat to rollback to stock? how can I do it?
Gondinez said:
Is there anyway for one who upgraded to Nougat to rollback to stock? how can I do it?
Click to expand...
Click to collapse
By downloading and flashing the rom with flashtool
http://www.flashtool.net/downloads.php

Unlocking for custom roms and custom kernels worth?

Hey Guys, I've owned various devices and always unlocked and installed custom roms on them, but this device doesn't have too much custom roms, soo actually I don't have unlocked yet, who already unlocked is it worth it? the roms available(custom and treble roms), and custom kernels have better performance over stock? And if I wanted to return to stock I gonna have some kind of trouble or not?

Restore camera quality on custom roms?

Is there a way to restore camera quality on custom roms? Is it possible to restore DRM features on custom roms (Android 11)?

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