Troubleshooting VPN on Samsung devices

Samsung introduced a bug in August 2020 software update that preventing us from starting VPN service

The problem is related to multi-user configuration, the cause of the problem can be Knox Folder or Dual Messenger features of Samsung devices, which is actually a separate user profiles. You can either disable these features, either grant a specific permissions to PowerTunnel to get it work.

Resolving the problem

1. Install ADB
2. Enable USB Debugging on your device
3. Connect your device in to PC using an USB cable
4. Execute the following command:
   • adb shell pm grant io.github.krlvm.powertunnel.android android.permission.INTERACT_ACROSS_USERS for v2.0 and higher
   • adb shell pm grant ru.krlvm.powertunnel.android android.permission.INTERACT_ACROSS_USERS for v1.x and higher
5. You are done!

Original issue