Samsung Galaxy M31s - phhusson/treble_experimentations GitHub Wiki

Samsung Galaxy M31s (SM-M317F/DS)

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

Steps to install

  • Fastboot installation via custom recovery has been tested, and working

    $ fastboot flash system <system.img>

  • Flashing in TWRP as "System Image", then wiping data & cache also works (recommended)

Hardware support

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)

Workarounds:

Hotspot

  1. Reboot to Recovery
  2. Backup BOOT & DTBO
  3. Flash this kernel
  4. Reboot to system (hotspot won't work yet)
  5. Again, reboot to recovery and restore your stock BOOT and DTBO that you backed up
  6. Now hotspot will work

Volume Level

  1. Open settings app
  2. Navigate to PHH Treble Settings>Samsung Features
  3. Disable 'Use alternate audio policy'
  4. 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

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