Development [ROOT] [TWRP] [KERNEL] [GSI] for SM-A127f (a12s)
- Thread starter physwizz
- Start date
black screen, screen flashing few times. Sorry mate, will stick to stock rom till TWRP ready
Also try my kernel
a12s u3 & u4 kernel (Exynos 850)
physwizz a12s u4 kernel version 6 For both u3 and u4 Built using a127f U4 source code For OneUI 3.1 ( also works for GSIs) Samsung securities disabled More CPU governors Conservative, On-demand, Userspace, powersave, performance, energy_step...
forum.xda-developers.com
already, it's actually good. TyAlso try my kernel
a12s u3 & u4 kernel (Exynos 850)
physwizz a12s u4 kernel version 6 For both u3 and u4 Built using a127f U4 source code For OneUI 3.1 ( also works for GSIs) Samsung securities disabled More CPU governors Conservative, On-demand, Userspace, powersave, performance, energy_step...
same problem with your v2, cant mount /data after formatting. It would actually flash ROM, but stuck at boot animation, not a bootloop
Hello. Look at if it is SM-A127FXXU4UAK1.
IF YES I CAN SEND YOU THE ROOT FILES AND EXPLAIN YOU HOW INSTALL GSI ROM ON IT. I root THIS UAK1 AND INSTALL GSI ROM AND MAGISK. THANKS
Root for all Exynos 850 devices.
Root for all Exynos 850 devices. A. Root part 1 - Preparing the file I accept no responsibility for bricked phones but I will help you to recover. 1. Download the exact firmware (including upgrade date) for your device from https://samfrew.com...
forum.xda-developers.com
Hi. I explain you how to use afaneh92 TWRP. install at first Orange fox rog, reboot to system. After put the afaneh92 twrp in your phone. Unroot it if you have root then reboot to orange fox recovery and install afaneh92 recovery. Go to the reboot tab an reboot to fastboot mode. Now go to the PC, put the afaneh92 recovery in the Minimal adb & fastboot folder and type cmd in task bar. Type : fastboot flash recovery recovery. img
Reboot to recovery and flash multidisabler.
After, backup only boot img. Then flash magisk 22.0 zip and reboot to system. Don't wipe anything.
You have install permanently afaneh92 recovery. It work find. I use this process, with afaneh twrp I install gsi ROM on sm-a12s, magisk. It work finely. Thanks.
Afaneh92 twrp 3.6.0_11-2 for sm-A127FXXU4UAK1/DS (a12s) and ofox-rog-phy-u4-a12s.
finally figured how to install gsi
1 Flash ofox recovery
2 format and multidisabler
3 Unroot, and reboot to download
4 flash twrp
5 reboot to recovery
6 flash patched boot.img, gsi, and kernel
7 reboot to download mode
8 flash stock recovery
9 boot to recovery, and do factory reset
if you trying to flash another gsi, just do from step 3
1 Flash ofox recovery
2 format and multidisabler
3 Unroot, and reboot to download
4 flash twrp
5 reboot to recovery
6 flash patched boot.img, gsi, and kernel
7 reboot to download mode
8 flash stock recovery
9 boot to recovery, and do factory reset
if you trying to flash another gsi, just do from step 3
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3I can now totally confirm that the afaneh92's TWRP image, as well as edward0181's, does not work on the Vietnam-made SM-A127F/DSN: I've rooted it, installed TWRP app, flashed the recovery.img from the app and rebooted into recovery using adb. I'm still getting just endless reboots. So this time the experiment was clean and the "wrong key pressed at wrong time" factor was completely excluded. I'm just curious why any stock firmware and the stock recovery tools works just fine? I've already tried many different country-specific versions from that list and they all flash and work perfectly.
P.S.: By the way, I've built the latest Magisk from the git master and it works great, so no patched version needed.2
Agh, finally, I found combination, that works for me.
I have spent days and physwizz hours PMing with me to double, triple check, if I missed some point. It still remain mysterious, why steps leads to different results, as a novice, I can just speculate, if there is some tiny important difference between A127F/DS and A127F/DSN. Or, well.... what about starting "Stock ROM" we are different.
But there have been some clues.
Afaneh92's TWRP, it can boot for me, but there has been two things that stink for me. Select Storage - shown Internal storage 0MB capacity and unmountable Data partition, that even if it reports 0MB size, cannot as an empty be backuped, for example. Reboots after proper steps (Format data) leads to slow bootlooping (10mins, I guess Android factory reset trying to finish with some bug in the end).
Newest TWRP - that one reported lasttime, Srilanka user, it can in some point (physwizz remount command) starts to report Storage size, even Data partition, but installing multidisabler didnt worked for me, leads to Cannot install zip file error. So, not surprise, after data format and reboot, it lead to nothing, well I can just speculate it that un-disabled encryption. Physwizz advice to remount solves part of red colors anout system root.
I combine those TWRP, using both for part of the job.
1. Rebooted to Afaneh92 TWRP,
2. run remount command
3. run multidisable twice
4. Reboot directly to download mode
5. flash SriLankas TWPR, and boot it
6. Remount command, Format data
7. Reboot
voila, system starts, initiate standard default process. Srilankas TWRP can backup all partition I want (including /data). All done.
I have no idea, if this procedure will help others and will work in other conditions, thats the task for you guys, much much advanced than me. I have just some unclear imagination, whats those steps are about, but there has to be something unfinished with afanehs twrp, that prevent it to work OK in some conditions (hardware, original but regional stock rom)
Let others know, if it worked for ya.
HzK1Root Method
Root for all Exynos 850 devices.
Root for all Exynos 850 devices. A. Root part...
forum.xda-developers.com
Twrp and Kernel
Kernel and TWRP for a127f u2 (Exynos 850)
I have built a custom kernel for the a127f...
forum.xda-developers.com
Latest twrp
Afaneh TWRP for a12s (Exynos 850)
Afaneh TWRP NOT for baseband u3 or greater...
forum.xda-developers.com
Root Method in post#2
afaneh92 TWRP in post #2
GSIs in post#3
Kernel Version 2 & 3 in post #5
Kernel version 4 in post #11
Install kernel without TWRP in post#21
TWRP (new) in post#6
Skyhawk recovery (new) in post #22
Orange Fox (new) post #24
Note
All of these procedures have been tested on the a127f with u2 baseband
They will probably all work on the m127f as well.
@physwizz
Recoveries for U2 baseband - Working
[RECOVERY][UNOFFICIAL] TWRP , OrangeFox and Skyhawk [Samsung-Exyons-850][m12s][a12s][SM-M127X][SM-A127X]
TWRP , OrangeFox and Skyhawk for Samsung...
forum.xda-developers.com
Recoveries for U3 baseband - Still being tested
[RECOVERY][UNOFFICIAL] TWRP , OrangeFox and Skyhawk [Samsung-Exyons-850][m12s][a12s][SM-M127X][SM-A127X]
TWRP , OrangeFox and Skyhawk for Samsung...
forum.xda-developers.com
All recoveries contain physwizz Kernel1Installing a GSI
1. Unzip img file
2. Backup boot, data and super from TWRP.
Wipe data from twrp
3. Install IMG.
4. Install my kernel
5. Reboot
I have installed lineages and pixel experience
List of GSIs
@physwizz1
Can you post, how exactly you did it (changed to ext4)
Based on your mention, I tried TWRP, WIPE, Advanced wipe, Change or repair filesystem, Change, to EXT4. No luck.
