If your phone is stuck in a boot loop because the internal APFS partition is corrupted or storage is completely full, a standard update will fail. You must execute a complete data erase. Connect your device to your computer via USB.
Whether you are trying to upgrade to the latest iOS or fix a boot loop, error -75 can stop you in your tracks. Here is a comprehensive guide on how to troubleshoot and fix this issue. What Causes 3uTools Error -75? 3utools error unable to restore idevice--75-
Always use an original Apple Lightning/USB-C cable or an MFi-certified alternative. Avoid cheap third-party charging cables. If your phone is stuck in a boot
If the phone constantly boot-loops back into standard Recovery Mode, forcing the device into a deeper Device Firmware Update (DFU) state bypasses loaded software and interacts directly with the secure boot ROM. Whether you are trying to upgrade to the
