1. After you plug the flash drive into your phone, please check if the USB connection symbol has appeared at the top of the phone screen, and the prompt "USB storage is connected" will be displayed in the notification bar. Go to "My Files" to select the pictures, audios or videos, you will see your files here.

2. In "My Files", you can view the files in the phone and the files in the external USB storage device (if connected). Select the files you want to transfer from the photos, videos and other files in the phone (touch the file with your finger for about 2 seconds to pop up the copy button); and then click the "Copy" or "Move" button at the top or bottom of the phone interface to transfer them to the USB storage device (you can create folders in USB storage to classify these files). Thus releasing your phone's memory without having to delete files. Similarly, you can also transfer the files in the USB storage device to another mobile phone. Through this step, you can transfer files between your phone and an external USB storage device.

3. After the process of copying or moving files is finished, please click the "Settings" button above the "USB drive" in the notification panel to safely eject or unmount the USB flash drive.