was praised for its massive vehicle coverage and ease of use for general diagnostics.
If the Launch update agent is not disabled, it may attempt to force an update that overwrites the user's modifications. The agent must be frozen using ADB commands: adb shell pm disable-user com.launch.update . X-DIAG - X431 - DIAGZONE - Android 14 - MHH AUTO - Page 1
| Problem | Solution | |---------|----------| | App crashes on launch | Android 14’s “non-SDK interface” restrictions. Use hidden_api_policy command (root/ADB). | | License invalid | Copy license file again → Set file permissions to 644 (root) or re-download from Diagzone. | | Bluetooth pairing fails | Go to Bluetooth settings → Forget device → Reboot → Pair again before opening X431. | | VCI disconnects | Turn off battery optimization for the X431 app (Settings > Apps > X431 > Battery > Unrestricted). | | No CAN communication | Update X-DIAG firmware via PC (using Launch firmware tool from MHH). | was praised for its massive vehicle coverage and