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Samsung Galaxy M31s
Telegram Support Group: https://t.me/samsungm31sup
Safetynet does not pass out of the box. Use Universal SafetyNet fix module by kdragon, with magisk denylist to hide sensitive apps
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Fastboot installation via custom recovery has been tested, and working
$ fastboot flash system <system.img>
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Flashing in TWRP as "System Image", then wiping data & cache also works (recommended)
Component | Comment |
---|---|
Camera | Works(but with no pixel binning) |
Speaker / Mic | Works(Volume Level not working, see Workarounds) |
Bluetooth | Works |
WiFi | Works |
SIM / Mobile Data / Voice | Works |
VoLTE | Not Working |
VoWiFi | Not Working. |
Fingerprint | Works on PHH AOSP v413 |
Offline Charging | Maybe |
Wi-Fi Hotspot | Doesn't work on One UI 4 firmware (See Workarounds) |
- Reboot to Recovery
- Backup BOOT & DTBO
- Flash this kernel
- Reboot to system (hotspot won't work yet)
- Again, reboot to recovery and restore your stock BOOT and DTBO that you backed up
- Now hotspot will work
- Open settings app
- Navigate to PHH Treble Settings>Samsung Features
- Disable 'Use alternate audio policy'
- Reboot and volume level will become normal again, but BT Calls won't work
Tested By: khushtaur3123 - rufus582 - SM-M317F(INS), Bootloader/Radio - M317FXXU3DVF3 and SM-M317F(INS), Bootloader/Radio - M317FXXU3CVC2 Updated Date: 27 July 2022
Temporary Update - TrebleDroid Based ROM have working Bluetooth as well as hotspot for 2.4GHz, not for 5Ghz, tested on Dec 08, 2022, SM-M317F(INS) M317FXXU3DVH2
Warning - Flash stock AP from odin or restore backed up stock images before trying out any gsis or specific roms which flash only the system.img after flashing ported roms as they often contain modified vendors from the original device
Rebooting to recovery - connect a wire and hold the power and vol. up button, when the device vibrates, release the power button.