Some CarlinKit users, when using TBox series products, do not insert the SIM card that can provide network traffic, but connect the hotspot of the phone/other devices.

Then, in this case, when using wireless Android Auto/CarPlay, Android system will have network problem. And the phone will automatically cut off the hotspot switch and keep the WIFI open to connect to wireless Android Auto/CarPlay.

Specific performance: after returning to TBox menu/Android from wireless CarPlay/Android Auto, the Android system will appear to be disconnected from the network.

Solution: TBox insert a SIM card that can provide network traffic.

Phenomenon Principle: When connecting to wireless Android Auto/CarPlay, Android will automatically turn on the hotspot switch in order to connect to wireless Android Auto/CarPlay successfully