Based on the 12+ pages of user reports in the "Hot" thread, here is the reality of running this setup:
The thread on MHH Auto (Page 1, currently burning) has a working solution: Flash your XDiag dongle with the "Hybrid Bootloader v2.1," sideload the DiagZone modded for API 34 (Android 14), and disable "Bluetooth LE Audio" to keep the connection alive. xdiag x431 diagzone android 14 mhh auto page 1 hot
The primary issue stems from the hardware architecture of the scan tools (built on Based on the 12+ pages of user reports
: For the most recent "hot" patches and user-shared fixes for Android 14, the MHH Auto Android Section xdiag x431 diagzone android 14 mhh auto page 1 hot
: Navigate to Settings > Apps > Special app access > Install unknown apps to allow the browser or file manager to install the APK .