how do i know my device is [Q] or [R]? - Samsung Galaxy A40 Questions & Answers

i am trying to install [A11][R][ARM64][A40][AOSP]PixelExperience
but it was fail at block_image_update("/dev/block/platform/13500000.dwmmc0/by-name/system" even that file is exists
install Disable_Dm-Verity or multidisabler is not working for this
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maybe this problem cause my devices is not [R}?
i want install custom rom to my device
and this is my stock rom
please give me some advice

now i was try [OneUI 3.1] [A40] Relk-OS and that is work
is there some way that using [R] roms for my device?
i have no idea what is [R] meaning

[Q] means it’s Android 10 based and [R] means it’s Android 11 based.

Related

[Q] Which Android is the best build?

Hello, I've had my HD2 since it came out and now i want to put android on it. At the same time i still want to be able to use windows. So best Boot Loaders would help too..thank you!!
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Lmaooo. Dunno about best but evo sense revolution 2.3 has been nice to me. NO issues apart from the general battery life issue. Sense HD also runs fine but i missed my camera lol, best bet is to try a few and see if they have what u want. As for bootloaders, i use excellers bootloader, just do a search on it

[Q] Modifying a roms launcher bar

I have found a rom that is a fantastic android rom, ( http://forum.xda-developers.com/showthread.php?t=786809 ) I would really like to know how to mix and match pieces from another rom.
Specifically, the lock screen and the main bottom launcher bar from this rom
http://forum.xda-developers.com/showthread.php?t=790374
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^ -all of the above credit given to Mdeejay, Sergio76 and all of the appr. rom developers who made their rom. Thank you guys
Is there a link or how to on how modify these at all?
Any suggestions at all or a link that may get me started? Ive been pretty successful with the search option up until now

Extract and open boot.img on Android 5.1.1

I have a Galaxy s4 R970, running cm12.1 on Android 5.1.1. And I want to open the boot.img file on my phone (don't have a computer currently) so I can edit the kernel to allow overclocking.
This will be my first attempt editing a kernel, but I need to expand my horizons.
So, the issue I have currently is a PIE error in terminal trying to open the boot.img using unmkbootimg command. (some older utilities) found here (http://forum.xda-developers.com/general/rooting-roms/how-to-guide-extract-boot-img-android-t3114380)
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Although, I DO also have a rooted galaxy s aviator running jb, I would like to try to avoid using it as much as possible.
Any and all help is greatly appreciated!

sm-g530bt and variables

as it would be a safe way to test the variables sm-G530 in the sm-g530bt?
safe and put the SM-G530 alternative it?
how can I make a security copy of the already boot loader that has modified rom him
If it is safe I don't know, but you can try. Some people says the sm-g530h roms works in the sm-g530bt. You can try and tell how it goes.
Do you want a general backup? Root your phone, put TWRP in it, do the backup from recovery and copy it to a secure place. After, you can install the rom. The phones isn't too different, so a terrible brick isn't supposed to occur
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Wear OS app on custom OS not working

I installed a modified version of AOSP (https://forum.xda-developers.com/t/rom-10-darkjoker360-aosp-10-for-huawei-p8-lite-2017.4008999/), and now when I start the WearOS app it says: 'The currently installed build of companion will not work on this phone. Uninstall it and make sure you install a signed companion on a user phone." does anyone have any idea on how to fix this.
If it matters I have a TicWatchE
I tried reinstalling the app, but nothing.
I have open Gapps nano
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I have tried on Many phone th e were os on smansung activ series are not poping up at @AsusROGPhone3
Tried on old As well as New Bt Sme issue any option of flasing

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