On some VW models (car host: Harman MIB 2), there may be some problems with the A2A connection, the solution:
1, Connect the A2A to the charger-power
2, 192.168.50.2, reset A2A
3, Delete the car Bluetooth connection record on the phone
4, Reset Automotive Head Unitt/Radio
5, Plug A2A into the car host and reconnect
Photo Guide
Connect the A2A to the charger-power
192.168.50.2, reset A2A
Delete the car Bluetooth connection record on the phone