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Development [RECOVERY][UNOFFICIAL] TWRP for Galaxy A02s (Snapdragon)

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alexjrb

Member
Oct 17, 2018
12
0
Hello my cell is a sm-a025M
One UI 3.1
Build A025MUBU2BU5
And with the twrp 3.5.0 it works, but then the touch screen stops working and with the twrp 3.5.2 it doesn't work, it keeps restarting the cell, it doesn't enter the recovery with the set of buttons from the download mode after installing the twrp.
postscript the bootloader or oem unlock is unlocked. help and thanks.
 

alexjrb

Member
Oct 17, 2018
12
0
After trying again I was able to do it, install TWRP 3.5.2 and root magisk thank you.
Postscript: The only bad thing is the Bootlogo with warnings in red letters that comes out when turning on or restarting the cell, I know that it can be fixed by an image and then if I turn on or restart the cell and leave the vol + key pressed, it enters recovery mode and in vol - download mode
 

Koko7777

New member
Sep 30, 2021
2
0
Has anyone knows how to flash android on a physical device SAMSUNG A02S. I downloaded the source from Android website for 64bit version of Android 11 - arm64-eng - ran the compilation with command - m -j4 and now files get into folder out/target/product/generic_arm64 - There is a file system.img , I tried to flash using command fastboot flash system system.img , then phone is in boot loop. What to do with the other files in this folder?
Do i need a source tree and if yes how can i make it to the phone :/ In one site they said just fastboot flashall -w for flashing but gives me error. command not found and FAILED.
I thought also for ODIN way but files should be packed in format .tar.md5 and i dont know what to to with all the files in generic_arm64 folder. Someone help ?
 

afaneh92

Senior Member
Jul 31, 2012
2,813
4,522
Has anyone knows how to flash android on a physical device SAMSUNG A02S. I downloaded the source from Android website for 64bit version of Android 11 - arm64-eng - ran the compilation with command - m -j4 and now files get into folder out/target/product/generic_arm64 - There is a file system.img , I tried to flash using command fastboot flash system system.img , then phone is in boot loop. What to do with the other files in this folder?
Do i need a source tree and if yes how can i make it to the phone :/ In one site they said just fastboot flashall -w for flashing but gives me error. command not found and FAILED.
I thought also for ODIN way but files should be packed in format .tar.md5 and i dont know what to to with all the files in generic_arm64 folder. Someone help ?
Build as GSI, if not you need to make device tree.
I cant help you, search on how to make device tree and compile from source on xda guides
 
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alexjrb

Member
Oct 17, 2018
12
0
Well in the end if I could install the twrp and install the Magisk Manager, what does not happen is the safetynet and the bootloop warning when the cell phone that before in my cell A10 I could do it, but in the A02 I can not, the file that I get is QMG.
 

afaneh92

Senior Member
Jul 31, 2012
2,813
4,522
Well in the end if I could install the twrp and install the Magisk Manager, what does not happen is the safetynet and the bootloop warning when the cell phone that before in my cell A10 I could do it, but in the A02 I can not, the file that I get is QMG.
I think I posted my safetynet fix module somewhere here on xda, the warning cant be removed on snapdragon devices.
 

alexjrb

Member
Oct 17, 2018
12
0
Creo que publiqué mi módulo de corrección de red de seguridad en algún lugar aquí en xda, la advertencia no se puede eliminar en los dispositivos snapdragon.
Excuse me friend, about a week ago I was able to solve the safetynet, everything goes well, but it's weird because in the play store I kept showing that the device was not certified and now that I check your message I fix it again and I get that it is done certified, but netflix and disney plus do not come out in play store download them but from another source how could I solve it, you know? Postscript: the bootlogo in this latest version of android is .qmg? Thanks
 

shivam_k

New member
Jan 6, 2021
2
0
home.png
backupname.png

Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and completely theme-able. You can change just about every aspect of the look and feel.

Code:
 * Your warranty is now void.
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or your getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.

Supported Models:
Galaxy A02s A025F, A025M and A025G.

Download & Guide:
1. Unlock your bootloader.
2. Download Galaxy A02s : a02q.
3. Reboot to download mode and flash vbmeta_disabled.tar in AP slot and reboot. Device will reboot to stock recovery mode prompting you to wipe data so wipe data and reboot to download mode again.
4. Put the TWRP tar for your device with Odin in the AP slot and click start.
5. Reboot to recovery via recovery key combo.
6. Disable encryption:
Or:
- Go to Advanced > Terminal, type: multidisabler.​
If vendor complain about free space left on device, will attempt to resize vendor. and it ask to - Run multidisabler again!.​
- Type: multidisabler again. will see - Finished. when done.​
7. Go back to Wipe > Format Data > type yes.
8. Reboot to recovery.
9. Flash magisk apk in twrp.
10. Reboot to system, Enjoy.

Note:


Support:
Live support is available via #twrp on Freenode with your IRC client or just click this link.

Telegram:
https://t.me/a11twrp

Bugs:
- Encryption not fully working.

Thanks:
TWRP team
@jesec for unlock guide
@ianmacd for multidisabler
@CFKod & @Topser99 for testing

Sources:
Kernel tree
Device tree
Can you pls make a port for Samsung A2 Core (SM-A260F/G)?
 

alexjrb

Member
Oct 17, 2018
12
0
Sorry, someone knows how to update the A025M without losing root and TWRP, I have android 11 and yesterday it asked me to update, I want to update it but I don't want to lose root Magisk or TWRP. Could you help me ... Thank you
 

Moonwalker89

Member
Jun 10, 2017
5
1
I can't find anything specific for the SM-S124DL variant of the A02s. It is the Tracphone version, does any of the root and recovery methods work for it too? I really don't want to chnace bricking my buddies phone for him, he really wants to root it.
 

afaneh92

Senior Member
Jul 31, 2012
2,813
4,522
I can't find anything specific for the SM-S124DL variant of the A02s. It is the Tracphone version, does any of the root and recovery methods work for it too? I really don't want to chnace bricking my buddies phone for him, he really wants to root it.
your device is locked bootloader and cant be unlocked yet.
 

alix78

New member
Nov 8, 2021
1
0
Hello / Salam Alikom

i have SM-A022F , and i have updated the os to the latest version ( Android 11 ) - Baseband A022FXXU2BUI5 .

can i apply this method to this updated device?

is it risky thing to do? as i have no other options to buy another phone if it broke :)

thank you so much.
 

afaneh92

Senior Member
Jul 31, 2012
2,813
4,522
Hello / Salam Alikom

i have SM-A022F , and i have updated the os to the latest version ( Android 11 ) - Baseband A022FXXU2BUI5 .

can i apply this method to this updated device?

is it risky thing to do? as i have no other options to buy another phone if it broke :)

thank you so much.
W alikom alsalam. If your model not listed in OP then no.
 

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  • 1
    I already tried to install a custom ROM and nothing was successful.
    Cause this device have super partition and treble and in this case must be installed in the system partition without touching super partition.
    1
    Sorry for bother but, would be nice if you add an option to resize system and install gapps, I'm using a treble lineageOS ROM and there's no enough space for installing gapps, BTW the system is only mounted as read-only, please let it mount as -rw since that also doesn't let me install other gapps, all gapps type were flashed but no one installed since rw permissions, installing ROMs, magisk works great.
    Will make a flashable zip to do that, give me some time
    1
    Will make a flashable zip to do that, give me some time
    I'll be patient waiting for it, thanks a lot and any help in you need from me, you just have to say it!
  • 3
    home.png
    backupname.png

    Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and completely theme-able. You can change just about every aspect of the look and feel.

    Code:
     * Your warranty is now void.
    * I am not responsible for bricked devices, dead SD cards,
    * thermonuclear war, or your getting fired because the alarm app failed. Please
    * do some research if you have any concerns about features included in this ROM
    * before flashing it! YOU are choosing to make these modifications, and if
    * you point the finger at me for messing up your device, I will laugh at you.

    Supported Models:
    Galaxy A02s A025F, A025M and A025G.

    Download & Guide:
    1. Unlock your bootloader.
    2. Download Galaxy A02s : a02q.
    3. Reboot to download mode and flash vbmeta_disabled.tar in AP slot and reboot. Device will reboot to stock recovery mode prompting you to wipe data so wipe data and reboot to download mode again.
    4. Put the TWRP tar for your device with Odin in the AP slot and click start.
    5. Reboot to recovery via recovery key combo.
    6. Disable encryption:
    Or:
    - Go to Advanced > Terminal, type: multidisabler.​
    If vendor complain about free space left on device, will attempt to resize vendor. and it ask to - Run multidisabler again!.​
    - Type: multidisabler again. will see - Finished. when done.​
    7. Go back to Wipe > Format Data > type yes.
    8. Reboot to recovery.
    9. Flash magisk apk in twrp.
    10. Reboot to system, Enjoy.

    Note:
    To disable encryption manually:
    You need to replace fileencryption=ice with encryptable=ice only in userdata line (maybe rest lines) in vendor/etc/fstab.qcom
    To avoid stock recovery restoration manually:
    Rename system/recovery-from-boot.p to recovery-from-boot.p.bak

    Support:
    Live support is available via #twrp on Freenode with your IRC client or just click this link.

    Telegram:
    https://t.me/a11twrp

    Bugs:
    - Encryption not fully working.

    Thanks:
    TWRP team
    @jesec for unlock guide
    @ianmacd for multidisabler
    @CFKod & @Topser99 for testing

    Sources:
    Kernel tree
    Device tree
    2
    Works perfectly. Thanks man.
    1
    Does anyone know if this method works on the sm-a025m version?

    thanks
    Yes, read OP next time.
    1
    Has anyone knows how to flash android on a physical device SAMSUNG A02S. I downloaded the source from Android website for 64bit version of Android 11 - arm64-eng - ran the compilation with command - m -j4 and now files get into folder out/target/product/generic_arm64 - There is a file system.img , I tried to flash using command fastboot flash system system.img , then phone is in boot loop. What to do with the other files in this folder?
    Do i need a source tree and if yes how can i make it to the phone :/ In one site they said just fastboot flashall -w for flashing but gives me error. command not found and FAILED.
    I thought also for ODIN way but files should be packed in format .tar.md5 and i dont know what to to with all the files in generic_arm64 folder. Someone help ?
    Build as GSI, if not you need to make device tree.
    I cant help you, search on how to make device tree and compile from source on xda guides
    1
    I already tried to install a custom ROM and nothing was successful.
    Cause this device have super partition and treble and in this case must be installed in the system partition without touching super partition.

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