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The position of the mobile phone may be wrong, you can adjust the position of the mobile phone on the wireless charger;
two
It may also be that the wireless charger hardware is damaged, and conditions can try to use other mobile phones that support wireless charging;
three
If only Mix2s can not be charged wirelessly, it may be the wireless charging module of the phone is damaged, it is recommended to check and replace it at the after-sales repair point;
four
There may be a problem with the phone's system, you can upgrade the system or restart the phone to use the wireless charger.