After trying all 8 fixes, if you still see , your device almost certainly has a hardware-level baseband failure .
If a standard "Easy Flash" fails, putting the device into DFU (Device Firmware Update) Mode is often the silver bullet. This bypasses the OS entirely and forces the device to accept the new firmware. 3utools error unable to restore idevice--75-
: If the system or data space on the device is critically low (e.g., less than 50MB for system space), the restore may fail. After trying all 8 fixes, if you still