PhoneVitals › Restore error codes › Error 1601
iPhone restore error 1601
What iTunes and Finder are actually telling you, and which component to look at first.
Error 1601
The problem is the cable/port/computer driver, not the phone's hardware — USB/host issue (Apple: check USB connections); jailbreak-era custom-firmware error - not device hardware
Most likely: Usb CableStop 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
What an iPhone will tell a Windows PC over USB
Reading iPhone kernel panic logs
Diagnosing an iPhone that won't charge
Checking the real battery cycle count