If you locate a firmware file for your device, here is the general process:
To find the official operating instructions for your specific unit: Open the on your head unit. android yt9216bj00012v001 manual
Go back to > Date & Time . Turn on Automatic date & time and Automatic time zone to sync via GPS/Wi-Fi. 2. Connecting to Wi-Fi & Bluetooth If you locate a firmware file for your
Place the GPS antenna on the dashboard, ideally with a clear view of the sky, and plug it into the back of the unit. Do not bury it deep inside the metal cavity of the dashboard
The Complete Android YT9216BJ00012V001 Car Stereo Manual & Troubleshooting Guide
Ensure the small golden GPS antenna block is mounted facing the sky. Do not bury it deep inside the metal cavity of the dashboard. The Screen is Frozen or Glitching: Use a paperclip or toothpick to press the tiny recessed
Make sure the GPS antenna is properly connected, or navigation will be inaccurate. DSP and Audio Equalizer