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
OPPO mobile phone X requires wireless charging, which can be set in OPPO.