Error 14Medium severityMedium to fix
Apple Error 14 — Causes & Fix
On Apple devices, Error 14 means a USB connection or corrupted-firmware error interrupted the restore/update.
- Applies to
- Apple devices
- Time to fix
- 10–45 minutes
What it means
Causes include a faulty cable/USB, security software blocking the connection, or a corrupt IPSW. This is a Apple error; if it persists, Apple's official support has device-specific steps.
Symptoms
- "...error (14)." during update/restore
- Restore stops with a USB error
How to fix it
- 1
Change cable/port and disable security software
1. Use a genuine cable on another port; temporarily disable third-party security software.
- 2
Retry the restore
1. Retry; a corrupt download will re-fetch. Use DFU mode if needed.
Frequently asked questions
How do I fix iTunes error 14?
Use a genuine cable and different USB port, temporarily disable security software, and retry the restore (which re-downloads the firmware).
Last updated July 20, 2026
Guidance only — always consult a qualified professional or the official service manual before carrying out repairs.