How Connect the bluetooth on your phone?
1:Open phone settings and enable Bluetooth in the settings.
2:Search for Bluetooth devices and find the stereo's Bluetooth for pairing.
3:Enter 0000 as the pairing code (default for Android OS).Otherwise, try 2254/1234 as the pairing code (default for Linux OS).
How to Connect the bluetooth on the stereo:
1:Go to Settings > Connected device > Refresh to search for your phone's Bluetooth.
2:Click on the name of your Bluetooth device.
3:Enter 0000 as the pairing code (default for Android OS). If not, try 2254/1234 as the pairing code (default for Linux OS).
If still no luck.
1:Try using another mobile phone to test this function and exclude the malfunction of your phone.
1.1: Go to Settings > Car > Factory settings > enter "126" > App > confirm if BT select "FSC-BT1031P" if the touch button is the same as below.
2:Go to Settings > Apps & Notifications > See all apps > Bluetooth > Storage & Cache > Clear Cache.
3:Furthermore, factory reset the system.
4:If all methods have been tried and Bluetooth still cannot be used, unplug the plug on the back of the player and wait for 3 minutes before plugging it back in.