How to restore the deleted photos on Apple's mobile phone? Is there any free recovery software?

Apple mobile phone photos are backed up in iCloud cloud hosting, and photos can be restored through iCloud. The specific recovery steps are as follows:

Step 1: Open Apple's phone settings and select the top one to log in to iPhone.

Step 2: Log in to your Apple account.

Step 3: After logging into your Apple account, select iCloud.

Step 4: Click the picture option in iCloud.

Step 5: Open photo stream's options in iCloud photos.

Step 6: After the mobile phone is connected to WiFi, my photo stream photo album will appear in the mobile phone's gallery, and pictures that need to be restored will appear in the photo album synchronized by iCloud.