1. Plug the USB device into the OTG adapter and connect it to the phone.
2. To replace the USB device, unplug the OTG adapter first, and replace the USB device according to the above method.
3. Due to the differences in mobile phone systems, the format of U disk is recommended to be FAT or FAT32.
4. Unable to drive large removable hard disk due to the power priority of mobile phone/tablet.
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