Update to the latest version of iTunes or the Apple Devices app . Disable Security Software:
in over 95% of cases. It does not require a new iPhone. Most users resolve it by changing the USB cable, using a direct motherboard port, reinstalling USB drivers, or performing a DFU restore. Only persistent failures after trying multiple computers warrant hardware diagnostics. iphone could not be restored 2006
Follow these steps in order. Start with the simplest (cable check) and move to the more technical solutions. Update to the latest version of iTunes or
Restart your computer after disabling these programs and try the restore again. using a direct motherboard port