First, click to enter the \"Settings\" program of the Xiaomi phone.
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2, then click on the \"My Device\" Settings option.
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3. Click again to enter the \"All Parameters\" page.
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4. Click the MIUI version number 7 times.
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5. Stop clicking until the phone screen prompts you to be in developer mode. Then connect the two devices again with a data cable;
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6. After the device is successfully connected, return to the mobile desktop, pull the phone down from the bottom, and click to view more options;
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7, the page pops up USB connection mode, click reverse charging;
1. Slide down from the top of the main interface of Xiaomi phone to open the \"Control Center\" of Xiaomi phone;
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2. Open the \"Edit\" function in the control center of Xiaomi phone and find the wireless reverse charging;
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3. Click the wireless reverse charging function to turn on this function;
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4. Put devices that support QI wireless charging (mobile phones, wearable devices, etc.) on the back of the phone.