Question [SOLVED] Samsung A12 / SM-A127F/DSN - Root problem

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hesen_89

Member
Oct 25, 2021
14
1
Not exactly sure, maybe physwizz confirm, I presume, you tried install kernel file by Install button in TWRP. I tried it too, failed it too and
a) you have done backup in TWRP, thats usual reason to setup TWRP - you just in case backup those special partition and if you done it, restore boot from backup will help
b) really not sure about that, but Odin, button BL and flash BL file from original stock ROM.

Can anybody advanced confirm? Maybe it can be helpful to know exactly, what for sure are kernel (AFAIK part of boot partition), "bootloader" and "boot" partion, BL button in Odin

must be from the recovery ap section
 

physwizz

Senior Member
Sep 16, 2013
4,129
933
Sydney
Not exactly sure, maybe physwizz confirm, I presume, you tried install kernel file by Install button in TWRP. I tried it too, failed it too and
a) you have done backup in TWRP, thats usual reason to setup TWRP - you just in case backup those special partition and if you done it, restore boot from backup will help
b) really not sure about that, but Odin, button BL and flash BL file from original stock ROM.

Can anybody advanced confirm? Maybe it can be helpful to know exactly, what for sure are kernel (AFAIK part of boot partition), "bootloader" and "boot" partion, BL button in Odin
flash ap partition
Not bl
 

capriolo88

New member
Nov 22, 2011
4
0
Hello all,

same problem for me.
I have a SM-A127F/DSN with the baseband version A127FXXS4AVB2 (ITV).

I tried few methods but I'm still not able to get a full rooted device.

method 1)
I followed steps described in post #6, with this method I'm able to get the device rooted but I cannot acces to the /system folder to manage system-app or to move user ones in the system.
Code:
mount: /system not in /proc/mounts

method 2)
I tried to install a twrp custom, I don't remenber which one, and install magisk from twrp, but totally fail

method 3)
I tried to install twrp following this guide with method3 but I can only see a black screen after step 10

Is there a way to root properly this device?

regards :)
 

physwizz

Senior Member
Sep 16, 2013
4,129
933
Sydney
Hello all,

same problem for me.
I have a SM-A127F/DSN with the baseband version A127FXXS4AVB2 (ITV).

I tried few methods but I'm still not able to get a full rooted device.

method 1)
I followed steps described in post #6, with this method I'm able to get the device rooted but I cannot acces to the /system folder to manage system-app or to move user ones in the system.
Code:
mount: /system not in /proc/mounts

method 2)
I tried to install a twrp custom, I don't remenber which one, and install magisk from twrp, but totally fail

method 3)
I tried to install twrp following this guide with method3 but I can only see a black screen after step 10

Is there a way to root properly this device?

regards :)
[ROOT] [TWRP] [KERNEL] [GSI] for SM-A127f (a12s)
 

physwizz

Senior Member
Sep 16, 2013
4,129
933
Sydney
Thanks, followed the post and I was able to root and install orangefox, but still no luck with system folder mount, maybe I will try a downgrade of the firmware
1. Did you root using the full ap file patched with the special a217 magisk? (This contains the patched boot.img and vbmeta.img)

You can't downgrade firmware
 

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