If the screen is unresponsive or the unit is stuck in a boot loop, you must use the physical reset pinhole.
: If the device still malfunctions, you can attempt a "hard reset" for the entire electrical system by disconnecting the car battery for 10–15 minutes. How to reset factory data via RST on Android radio how to factory reset android car stereo
: Many aftermarket units require a passcode to access these deep settings. Common default codes include 8888 , 1234 , 0000 , 1617 , or 123456 . If the screen is unresponsive or the unit
: Use a paperclip or SIM eject tool to press and hold the button for 10–20 seconds until the unit restarts or the button lights flash. Common default codes include 8888 , 1234 ,
: Find the small pinhole labeled "RST" or "Reset," usually on the front panel or near the volume controls.
: Select "Factory Data Reset" or "Erase All Data." Read the warning message carefully and tap "Confirm" or "Reset Car".
This software-based approach is recommended if your touchscreen is functional and the system boots normally.