OTG is a new USB transmission technology, which can charge the mobile phone through OTG patch cord, let the mobile phone access external devices such as USB flash drive, digital camera, keyboard or mouse, and transfer files.

mobile phone charging: mobile phone A is plugged into OTG cable, and the other end is connected to mobile phone B through data cable, and A can charge B..

Connect the mouse and keyboard: When connecting, the mobile phone needs to provide power for the mouse or keyboard, and some devices may not work normally due to high power supply requirements. If you encounter this kind of problem, please try to change a mouse or keyboard.

file transfer: connect the mobile phone to the USB storage device through the OTG line, then enter the "Local" tab of "File Management" and select "USB" to transfer files between the mobile phone and the USB storage device.