PhoneVitals › Restore error codes › Error 4014
iPhone restore error 4014
What iTunes and Finder are actually telling you, and which component to look at first.
Check the NAND memory/controller and its solder joints — Failure in firmware-write phase - after ruling out cable/port/computer: NAND ('NAND not detected') or baseband; common iPhone 5s-7/X; also seen stuck-in-LLB aft
Most likely: NAND storageStop 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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Checking the real battery cycle count