Preparatory work
1. Download and install the top data recovery software in the computer.
2. Install Apple's official itunes kit on your computer and connect the device to your computer via a data cable.
Detailed steps
The first step, open the software, select the third option, that is, "U Disk mobile phone camera card Restore" this function button.
In the second step, select the letter you want to restore, and click Next.
The third step, scan the file, if you scan the required files, you can interrupt the scan.
Step Fourth, select the file you want to recover, and click Next.
Fifth step, click Browse to select a disk to store the file to recover, and then click Next. (The location to be stored is different from the location of the recovery file to avoid being overwritten)
After you have done this, the files that need to be recovered are basically restored to the saved disk.