vivo wireless charging does not need to be opened, you only need to put the phone on the wireless charging base to charge, wireless reverse charging open method is as follows:
< br >
1. Click [Battery] in the phone Settings menu.
< br >
2, click the \"charging Settings\" option.
< br >
3. Open the switch on the right side of [wireless reverse charging] and put the phone back to back with the device that needs to be charged.