This accessory is not supported, the error message is as follows:
1. Just access the data line, there is a hint, this problem is generally poor contact, the solution: see whether the data line gold finger has dirt, and then check the phone tail plug (data option jack) whether there is dirt, clean with cotton swab alcohol.
2. This prompt is usually caused by insufficient power supply when charging by USB in front of the computer case. Please plug it into the back of the case, or change the charger to charge.
3. The charger is not original, the voltage is insufficient, try to replace the charger. In addition to the above two problems, after the phone is connected to the data cable, the phenomenon of ding-dong ding-dong contact is not in contact, generally because the data cable USB or Lightning plug one end of the wire core and the welding point are not in good contact, the reason is about to be disconnected, please replace the data cable.