Miscellanous -
Install Instructions -
Extract Super.img from zip file, flash it as super in TWRP. super.img size around 7.5GB
Will need a SDCard, preferably 16GB, if not then use ADB push command to transfer to internal storage in TWRP.
Flash Magisk apk
Goto Terminal and enter multidisabler. hit enter
Factory Reset your Phone, Take backup before hand if You need.
Follow the follwing steps for other things.
They are recommended for the best experience.
Safetynet Fix -
Use SafetynetFix :
https://github.com/kdrag0n/safetynet-fix
Use MagiskHide Props Config :
https://github.com/Magisk-Modules-Repo/MagiskHidePropsConf
1. Open termux and get root permissions
2. type props and press enter. Props Config will open up.
3. Select option 1.
4. then enter "samsung/a51nsxx:12/SP1A.218012.016/A515FXXU5FVG3:user/release-keys" as the device fingerprint, word by word, case by case, slight change will not allow safetynet pass.Copying causes issues.
5. Install safetynet fix as well
6. reboot
7. Check safetynet.
CSC Tweaks -
Use any Root explorer. I prefer Mixplorer. Link:
https://forum.xda-developers.com/t/...-featured-file-manager.1523691/#post-23109280
Copy the cscfeature.xml to /optics/configs/carriers/XXX/conf/system/ after replacing the old one. XXX is the code for your country. Example SER is for Russia. Reboot and enjoy
Performance Fix -
Need Root
Install hktweaks v2.2.2 :
https://github.com/corsicanu/hKtweaks/releases
Give root permission
Click on burger icon in the bottom left corner, open GPU section from it.
Goto GPU Power Policy Control and switch it from coarse_demand to always_on.
VoWifi Fix-
Download com.sec.sve.apk from 3rd post.
paste it in /system/app/
Bootloader Unlock Warnig Fix -
Flash BL_unlock_warning_fix_m31s_M317FXXS3DVF3.tar on BL slot in download mode in Reboot Menu, TWRP via Odin on PC. Check 2nd Post.
Tested on M31s-INS (BL version-M317FXXS3DVF3)