Last verified: {{VERIFY: DD Month 2026}}
Every iTunes, Finder, and Apple Devices restore error has a number, and that number tells you where to start troubleshooting. Most restore failures fall into a handful of categories — cable/USB issues, security software blocking the connection, a corrupted download, or a hardware fault — and the error code narrows down which one you’re dealing with. Find your code below for a direct fix, or use the general troubleshooting steps if your code isn’t listed yet. Most fixes take 5–15 minutes.
Before you start
- Back up first if the device still boots normally. Use Apple’s official backup guide — a failed restore attempt can sometimes require a second attempt that erases data.
- Turn off Find My (Settings → [your name] → Find My → Find My iPhone) if the device is still accessible. A locked Find My will cause restores to fail at the final step regardless of the error code.
- Use a genuine or MFi-certified cable plugged directly into a USB port on the computer — not a hub, and not the display’s USB pass-through if you have one.
Error code index
| Error code | Common cause | Fix |
|---|---|---|
| 4013 | USB connection or hardware fault interrupting the restore | Fix error 4013 → |
| 3194 | Device trying to contact an outdated Apple signing server address | Fix error 3194 → |
| 4014 | Similar to 4013 — USB/hardware interruption mid-restore | Fix error 4014 → |
| 4005 | Restore interrupted, often a cable or port issue | Fix error 4005 → |
| 9 | Device disconnected from the computer during restore | Fix error 9 → |
| 14 | Often reported alongside a hardware issue on the device | Fix error 14 → |
| 1110 / 1100 | Signing or SHSH-related rejection during restore | Fix error 1110/1100 → |
| 2003 | USB connection issue, often a port, hub, or driver problem on Windows | Fix error 2003 → |
| 53 | Touch ID/Face ID hardware mismatch, usually after a third-party repair | Fix error 53 → |
General troubleshooting steps (any error code)
- Try a different USB port and cable. This resolves the largest share of restore failures across almost every error number.
- Restart both devices. Restart the iPhone/iPad (or force-restart if it’s unresponsive) and restart the computer.
- Update Finder, Apple Devices, or iTunes to the latest version — an outdated client is a common source of otherwise-unexplained failures.
- Temporarily disable third-party security software and VPNs, which can block the connection to Apple’s servers mid-restore.
- Check Apple’s system status page for any reported outage affecting software updates before assuming the fault is local.
If none of that works
- Error persists on a different computer. This points to a hardware issue with the device itself rather than the restore environment — consider an Apple Store appointment.
- Error only happens on this specific network. Some corporate, school, or public Wi-Fi networks block the ports Apple’s servers use; try a different network or mobile hotspot.
- Device won’t enter recovery or DFU mode at all. Check that the correct button sequence is being used for your exact model — it varies by device generation. See how to put your iPhone into DFU mode for the current sequence.
- The IPSW file itself seems to be the problem. Re-download it — a partial or corrupted download produces restore errors that look identical to hardware faults. Confirm you have the file for your exact model at the iPhone firmware hub.
- Signing-related errors on an older version. If you’re trying to restore anything other than the current release, see what IPSW signing means and why older versions get rejected.
Frequently asked questions
What does “the iPhone could not be restored” with a numbered error mean?
The number identifies the specific failure point — most commonly a USB/cable issue, a security-software block, a corrupted download, or in rarer cases a hardware fault. Look up your exact code above for the fastest path to a fix.
Do I need to erase my iPhone to fix a restore error?
Not usually. Most restore errors are connection or software issues that resolve with a different cable, port, or troubleshooting step below, without needing to erase the device. A restore error is not the same as intentionally erasing your data.
Why does the same error code have different causes on different forums?
A single error number often has more than one possible trigger — hardware, connection, and software causes can all surface the same code. Work through the fixes in order of likelihood on the dedicated page for your code rather than assuming a single cause.
My error code isn’t in the index above — what should I do?
Start with the general troubleshooting steps above, which resolve the majority of restore errors regardless of the specific number. This index is expanded regularly with dedicated guides for additional codes.
Can a restore error mean my device is permanently broken?
Rarely, but not never. If an error persists across multiple computers, cables, and networks, it usually indicates a hardware fault that needs an Apple Store or authorized-repair diagnosis rather than a software fix.
Does this error index apply to iPad and other Apple devices too?
Yes — the same error codes and general troubleshooting apply across iPhone, iPad, and other Finder/iTunes-restorable Apple devices, though the exact button sequence for recovery/DFU mode varies by device.
This site is not affiliated with, endorsed by, or sponsored by Apple Inc. All firmware download links resolve to Apple’s official servers — we do not host, mirror, or distribute firmware files.
