: Many aftermarket units require a passcode to access these deep settings. Common default codes include 8888 , 1234 , 0000 , 1617 , or 123456 .
: Look for a menu labeled "System," "Factory Settings," "General Management," or "Reset Options". how to factory reset android car stereo
If the screen is unresponsive or the unit is stuck in a boot loop, you must use the physical reset pinhole. : Many aftermarket units require a passcode to
: If possible, note down your equalizer settings and radio presets, as these will be lost. " "Factory Settings
: 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.