3uTools is a popular Swiss Army knife for iOS management, but hitting a backup failure can be incredibly frustrating. When the process snaps and throws an error code, it usually points to a specific communication breakdown between your PC, the software, and your iPhone.
Typically suggests the device was disconnected during the process. 3utools backup failed error code
Temporarily turning off your passcode can sometimes prevent the "Trust This Computer" prompt from timing out mid-backup. 3uTools is a popular Swiss Army knife for