If the iPhone's storage was full before the restore, it may trigger this error as it fails to create temporary update files.
: The iDevice might not be receiving enough steady voltage during the high-drain restore process. Battery Verification 3utools error unable to restore idevice75 link
If none of the above solutions work, you may want to: If the iPhone's storage was full before the
Avoid using USB hubs or front-panel ports on a PC. Plug the cable directly into the motherboard ports on the back of your computer. 3utools error unable to restore idevice75 link