A faulty cable, hub, or port can interrupt the data transfer.
Follow these troubleshooting steps in order to resolve the communication link failure and successfully restore your device. 1. Optimize the Physical USB Connection
A loose or faulty Lightning/USB-C cable.
The underlying problem stems from a communication breakdown between your computer and the iOS hardware. This is often triggered by unstable power distribution, faulty USB pathways, outdated software, or failing internal hardware like the battery or NAND flash memory.
A: Absolutely. Once the error is resolved and your device is restored successfully, you can continue to use all of 3uTools' features for backups, file management, and other tasks.
If you are getting Error 75 while the device is in Recovery Mode, try switching to . DFU is a deeper state that can bypass software glitches preventing a standard restore.