1. Enter Settings > Battery, turn on the wireless reverse charging switch.
2. After the device that needs to be charged is turned on, place it in the center position on the back of the device that supports wireless charging.
3, if you do not start charging after 5 seconds, the position can be adjusted.
4. Take away the Settings that need to be charged for more than 2 minutes, the wireless reverse charging switch will automatically turn off.
Tip: Do not reverse charge other Settings below 20%.