When no charging device is charged, the wireless backcharge automatically turns off.
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The reverse charging anomaly may be the phone is stuck. Just reboot the phone.
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This is because the phone is not aligned or the phone case is too thick
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You can turn on the wireless reverse charging by clicking [Battery and Performance] in the phone Settings menu and then remove the phone case and try again
The reason why Xiaomi reverse charging will automatically turn off is that if Xiaomi turns on the reverse charging function for a long time, it may cause circuit disturbance or even circuit damage, so it needs to be automatically turned off at a certain time
It could be that the charging parameters are inconsistent,