Open Apple Recovery Master, and there are three recovery modes, namely, recovery through device scanning, recovery through iTunes backup, and recovery through iCloud backup. Select the appropriate mode to enter the next step. Typically, the default choice is to restore through device scanning. Click on the attachment of WeChat.

Wait for Apple to restore the main scanning device. Select the required WeChat account from the list, and click View Record. Click all the files or pictures on the left, check all the displays in the upper right corner, or click chat attachments, expressions, etc. Filter according to your own needs, and click on the lower right corner to restore to the computer.

The restored image has two formats. Pic format is a large image that can be viewed by normal clicking (images under 50KB may be thumbnails), and thum format is a picture cache, that is, a file used when viewing thumbnails.