USB devices are divided into master devices and slave devices, and data transmission can only be achieved when a master device is connected to a slave device. The OTG technology can allow a device to act as both a master device and a slave device to realize data transfer between devices.
How to use OTG:
1. Prepare an OTG cable (or use an adapter).
2. Connect the Type-C port of the OTG cable to the phone, and the other end to the corresponding external device, then turn on the OTG switch.
Setting method:
realme UI 1.0 & above versions : Settings > Search "OTG connection" >Turn on OTG connection
realme R & S & T & Go & U Edition: Settings > System > OTG connection.
Note：
1. If the OTG function is not used for 10 minutes, it will automatically turn off.
2. Phones that support reverse charging can realize reverse charging through OTG.
3. Support connecting to phones, cameras, U disks, mice, keyboards, wireless mice, wireless keyboards, gamepads, and other devices.