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Troubleshooting ​

Common issues and solutions for BepInEx Android Launcher.

Game Won't Launch ​

Check Requirements ​

  • Android 9+ (API 28+)
  • arm64-v8a device
  • Unity IL2CPP game (not Mono)

Grant Permissions ​

Ensure the launcher has All files access permission:

  1. Go to Android Settings → Apps → BepInEx Launcher
  2. Tap Permissions
  3. Enable All files access

Enable libunity ​

Some games require unstripped libunity.so:

  1. Go to game settings in the launcher
  2. Enable Use unstripped libunity
  3. Try launching again

Mods Not Loading ​

Verify Modpack ​

  1. Ensure the modpack is activated in the Modpacks tab
  2. Check that the mods are compatible with your game version
  3. Look at the BepInEx log for errors

Check Logs ​

  1. Open the launcher
  2. Go to Settings → View Logs
  3. Look for error messages related to mod loading

Common Mod Issues ​

IssueSolution
Mod not detectedEnsure the mod DLL is in the correct BepInEx/plugins folder
Dependency missingInstall required dependencies for the mod
Version mismatchUpdate the mod to match your game version

Crash on Startup ​

Check Requirements ​

  • Android 9+ (API 28+)
  • arm64-v8a device
  • Unity IL2CPP game (not Mono)

Clear Data ​

If the game crashes on startup:

  1. Go to Settings → Clear BepInEx
  2. Go to Settings → Clear .NET
  3. Try launching again

Enable libunity ​

Some games require unstripped libunity.so:

  1. Go to game settings
  2. Enable Use unstripped libunity
  3. Try launching again

BepInEx Extraction Fails ​

Clear BepInEx Cache ​

  1. Go to Settings → Clear BepInEx
  2. Relaunch the game - the launcher will re-extract the framework

Check Storage ​

Ensure you have enough storage space:

  • BepInEx framework: ~50 MB
  • .NET runtime: ~30 MB
  • Unstripped libunity: varies by game

libunity Download Slow ​

Check Connection ​

  • Ensure you have a stable internet connection
  • Try switching between Wi-Fi and mobile data

Clear libunity Cache ​

  1. Go to Settings → Clear libunity
  2. Try launching again - the launcher will re-download

CoreCLR Failed to Start ​

This error indicates the .NET runtime failed to initialize:

  1. Go to Settings → Clear .NET
  2. Relaunch the game
  3. If the issue persists, check device compatibility

Huawei / HarmonyOS ​

If you experience rotation crashes on Huawei devices:

  • The launcher includes a built-in fix for HarmonyOS rotation issues
  • If problems persist, try disabling auto-rotation in your device settings

Getting Help ​

If you're still having issues:

  1. Export diagnostics from Settings → Export Diagnostics
  2. Visit the GitHub Issues page
  3. Include the diagnostic file in your issue report

Released under the GPL-3.0 License.