iOS update and restore errors

Acquire how to solve iOS update and restore errors.

Try these steps first

  1. On a Mac with macOS Catalina x.15 or later, make certain your Mac is up to date. If you accept a Mac with macOS Mojave 10.fourteen or earlier, or a PC, make sure you have the latest version of iTunes.
  2. If your device couldn't be restored and you get a message that "an unknown mistake occurred [error number]," use these steps.

If you still see the error, attempt the steps below.

Cull your mistake number or message

To learn what to do, choose your error:

  • i, 2, 3, 4, half dozen, nine, 10, eleven, 12, 13, fourteen, sixteen, 17
  • 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37,
    xl, 53, 56
  • 1002, 1004, 1011, 1012, 1014, 1015
  • 1600, 1601, 1602, 1603, 1604, 1611, 1638,
    1643–1650, 1667, 1669, 1671
  • 2001, 2002, 2005, 2006, 2009
  • 3002, 3004, 3013, 3014, 3015, 3194, 3200
  • 4005, 4013, 4014, 4037
  • "Cellular Update Failed."
  • "Apple tree Pay Not Available on this iPhone."
  • "At that place was a problem downloading the software."
  • "The device isn't eligible for the requested build."
  • "Invalid response."
  • "The required resources tin can't be found."

Update the software on your Mac or PC

If you meet error 10, your iOS device might have a newer version of iOS than is supported by your computer. Y'all'll need to update the software on your Mac or iTunes on Windows before you can update or restore your iOS device.

macOS 10.eleven and after:

  1. Disconnect and then reconnect your iOS device to your reckoner. You might need to unlock your iOS device before it is recognized past your Mac.
  2. When you see a message that says a software update is required to connect to your iOS device, click Install to download and install the software and then your Mac tin update or restore your iOS device.

Windows: Update to latest version of iTunes.

If you lot go along to come across error 10, or y'all don't come across a dialog asking you to update the software on your mac, contact Apple Support.

Make sure that your device tin communicate with Apple tree servers

If y'all meet error 1671, your computer is downloading necessary software. Wait for the download to finish, so try once again.

If y'all meet 1 of the errors below, your computer might not be able to connect to Apple servers or your iPhone, iPad, or iPod touch:

  • 17, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, 3200
  • "There was a trouble downloading the software."
  • "The device isn't eligible for the requested build."

Hither'south what to cheque:

  1. Make sure that your calculator tin can communicate with the Apple software-update servers.
  2. Check your third-political party security software.

If you see error 4037, your computer is unable to update your device considering it's passcode locked and the device wasn't unlocked for the update or restore. Unlock your device and try again. Learn what to practise if yous forgot your passcode.

If you still see an mistake, contact Apple Support.

Cellular Update Failed or Apple Pay Not Available warning

If yous see either "Cellular Update Failed" or "Apple tree Pay requires an Update on this iPhone" alert after an update, acquire what to do.

Check your USB connections

If you come across error 4005, 4013, or 4014, use these steps.

If you see one of the errors below, check your USB connection, USB cable, USB port, or computer:

  • 13, 1600, 1601, 1602, 1603, 1604, 1611, 1643–1650
  • 2000, 2001, 2002, 2005, 2006, 2009
  • An error that includes "invalid response"

Here'south what to cheque. Try once more after each step:

  1. Utilize the USB cablevision that came with your device. If you don't take it, try a different Apple tree USB cable.
  2. Switch to a unlike USB port on your computer. Don't plug into your keyboard.
  3. Switch to a USB port on a different computer.
  4. If you still see the mistake, cheque for other USB issues, check your 3rd-party security software, and then cheque your hardware.

If y'all still come across an mistake, contact Apple Support.

Check your hardware

If you see error 53, utilize these steps.

If y'all come across one of the errors below, you might take a hardware result:

  • 1, 3, 11, 12, 13, 16
  • 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, xl, 56
  • 1002, 1004, 1011, 1012, 1014, 1667, 1669

Here'southward what to cheque. Try again after each footstep:

  1. If iTunes is already open, quit and reopen it.
  2. Check your 3rd-party security software.
  3. Make certain that your USB cable, computer, and network are reliable. Then try twice more to restore your device.
  4. Check for outdated or modified software.

If you still see the mistake, contact Apple Support.

Bank check for outdated or modified software

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