1. First, we open [Settings] on the desktop of the phone.
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2. Then find and click on [Battery] under the Settings menu.
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3. Open the switch button on the right of [Wireless reverse charging].
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4. After opening this function, as long as the two mobile phones are put back to back together, you can charge the other mobile phone.
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I hope that the above methods will be helpful to the majority of mobile phone users.
Step 1. First of all, you need to find [Settings] in the mobile desktop and click to enter
Step 2. Next we can find the [battery] option from the page
Step 3. Then we need to turn on the switch on the right side of [wireless reverse charging]
Step 4. Finally, we just need to open the device that needs to be charged and put it on the back of the phone to start charging