If you need to back up data, you can do this: Mode 1: After the mobile phone is connected to the computer with a data cable, the notification bar will slide down-select Connect as Media Device (MTP), and the disk icon of the mobile phone device will be displayed. Click Enter to copy multimedia files (photos, music, videos, etc.). ) in the mobile phone to the computer. Method 2: Install the S-transformer assistant (PC version) software in the computer. After the mobile phone and the computer are connected through the data cable, open the S-for-assistant software, click More (upper right corner)-Preferences-Backup Items-View the contents to be backed up (the storage location of the backup folder can be changed in the backup file), and then click Backup.