PhoneVitals › Restore error codes › Error -1
iPhone restore error -1
What iTunes and Finder are actually telling you, and which component to look at first.
Error -1
Check the baseband/modem — Baseband/modem IC not responding during final baseband flash - classic dead baseband (esp. iPhone 7/7 Plus); missing IMEI via *#06# or blank Modem Firmware conf
Most likely: Cellular modem / basebandStop guessing which part failed
PhoneVitals reads the phone's own telemetry over USB and names the failing component with the evidence attached — battery gauge records, decoded kernel panics, board-level suspects. Your first device scan is free.
Download for WindowsGuides for the bench
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