Error 53

ios-logo1If you see error 53 or can‘t update or restore your iPhone or iPad

Follow these steps to get help updating or restoring your iPhone or iPad.

If your iOS device has Touch ID, iOS checks that the Touch ID sensor matches your device’s other components during an update or restore. This check keeps your device and the iOS features related to Touch ID secure.When iOS finds an unidentified or unexpected Touch ID module, the check fails. For example, an unauthorized or faulty screen replacement could cause the check to fail.If the check on Touch ID fails, your update won’t finish. You’ll see a Connect to iTunes screen on your device or a message like this in iTunes on your computer: The iPhone [device name] could not be restored. An unknown error occurred (53).

Follow these steps

  1. Make sure that you have the latest version of iTunes.
  2. Force restart your device.
  3. Try to restore your device again.
  4. If you still see error 53 when you try to restore your device, contact Apple Support. If the restore won’t finish and you see a different error code, learn what to do.

Get help with iOS update and restore errors

Learn how to solve specific iOS update and restore errors.

When you update or restore your iPhone, iPad, or iPod touch in iTunes, you might see this message: “The iPhone [device name] could not be restored. An unknown error occurred [error number].”Before you try the steps below, go through the basic steps to resolve iOS update and restore errors in iTunes.

Find your error number

If you tried the basic steps and still see the error message, click your error number and follow the advanced steps below.

1600160116021603160416111638, 1643-165016671669

Solve network errors

Errors: 17, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, 3200. You might also see these alert messages:

  • “There was a problem downloading the software.”
  • “The device isn’t eligible for the requested build.”

These alerts mean that your computer is either having difficulty contacting the Apple update server or communicating with your device.

Check your computer for software or settings that might cause communication issues between your computer and Apple or between your computer and your device.

If you still see the error message, check your security software.

Check your security software

Errors: 2, 4, 6, 9, 1611, 9006.

Sometimes security software can stop your device from communicating with either the Apple update server or with your device.

Check your security software and settings to make sure that they aren’t blocking a connection to the Apple servers.

If you still see the error message, check for USB connection issues.

Check your USB connections

Errors: 13, 14, 1600, 1601, 1602, 1603, 1604, 1611, 1643-1650, 2000, 2001, 2002, 2005, 2006, 2009, 4005, 4013, 4014. You might also see a message that includes “invalid response.”

If the USB connection between your device and computer is interrupted, you might not be able to update or restore.

To narrow down the issue, try different equipment:

If you still see the error message, check for hardware issues.

Check for hardware issues

Errors: 1, 3, 11, 12, 13, 14, 16, 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 53, 56, 1002, 1004, 1011, 1012, 1014, 1667, or 1669.

Your device or computer might have a hardware issue that stops the update or restore from completing.

  1. Check that your security software and settings aren’t blocking your device from communicating with the Apple update server.
  2. Then try to restore your iOS device two more times while connected with a cable, computer, and network you know are good.
  3. Make sure that your security software and settings are allowing communication between your device and update servers.
  4. If you still see the error message when you update or restore, contact Apple support.

If you still see the error message, check for outdated or modified software.

Check for outdated or modified software

Errors: 1015. You might also see the message “The required resource can’t be found.”

These errors might appear if any of the situations below are true:

  • Your version of iTunes is out of date. Get the latest version of iTunes, then try to update or restore again.
  • Your device has a beta version of iOS.
  • You’re trying to install an earlier version of iOS (downgrading).
  • Your device has unauthorized modifications to iOS, also called “jailbreaking.”

Use recovery mode to restore your device to the latest version of iOS.

Resolve iOS update and restore errors in iTunes

When you use iTunes to update or restore iOS on your iPhone, iPad, or iPod touch, you might see an error code or alert message. Most of these errors happen because your computer has older versions of software or can’t connect to the server.

You can fix most update and restore errors with a few simple steps. Try these first:

Update iTunes.

Get the latest version of iTunes on your computer.

Update your OS.

Install available updates for your Mac. If you have a PC, you can get PC software updates from the Microsoft website.

Check your computer’s security software.

You might need to update, change, disable, or uninstall software that’s causing an issue.

Unplug extra USB devices.

Keep only your iOS device, keyboard, and mouse plugged in directly to your computer.


Turn off your computer and your device. Then turn them on again.

Try again.

Update or restore your iOS device again.

Get more help.

If you tried these steps and the error happens again, follow the advanced steps for your error code.

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