1, the mobile phone is placed in the wrong position: when the mobile phone is charged through the vehicle wireless charging board, the back of the mobile phone should be placed on the charging board in the direction, and the wireless charging function will be activated normally. 2, there is a foreign body between the mobile phone and the charging board: the mobile phone needs to use the wireless charging board to charge, and it is necessary to ensure that the back of the mobile phone and the wireless charging board are fully fitted. 3, Wireless charging protocol incompatible: Wireless charging alliance (wireless-power-Consortium) launched the Qi wireless charging protocol is a more popular wireless charging standard. The protocol requires access devices to support Qi wireless charging protocol in order to successfully achieve wireless charging.