Note: assume Windows host (3uTools Windows app). Follow steps in order; many fixes are simple and quick.
: Switch immediately to an original Apple USB-to-Lightning or USB-C cable . Avoid cheap aftermarket third-party cables, which lack the grounding requirements needed for high-speed firmware data streams. 3utools error unable to restore idevice--75-
To fix the error, we must first understand what it actually means. Unlike common errors such as Error -1 (baseband issue) or Error 3194 (hosts file issue), Error -75 is slightly more ambiguous but generally points to a specific set of circumstances. Note: assume Windows host (3uTools Windows app)