iOS update and restore errors

Learn how to solve iOS update and restore errors.

Attempt these steps first

  1. On a Mac with macOS Catalina 10.xv or later, make sure your Mac is up to appointment. If you have a Mac with macOS Mojave 10.14 or earlier, or a PC, brand sure y'all have the latest version of iTunes.
  2. If your device couldn't be restored and you get a message that "an unknown mistake occurred [fault number]," utilise these steps.

If you lot still run across the error, attempt the steps below.

Choose your mistake number or bulletin

To learn what to do, choose your mistake:

  • 1, 2, iii, 4, half dozen, 9, 10, eleven, 12, 13, 14, 16, 17
  • xx, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37,
    40, 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 Pay Not Available on this iPhone."
  • "There was a problem downloading the software."
  • "The device isn't eligible for the requested build."
  • "Invalid response."
  • "The required resource tin't exist found."

Update the software on your Mac or PC

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

macOS 10.eleven and later on:

  1. Disconnect and then reconnect your iOS device to your computer. You lot might need to unlock your iOS device earlier information technology is recognized by your Mac.
  2. When yous meet a bulletin that says a software update is required to connect to your iOS device, click Install to download and install the software so your Mac can update or restore your iOS device.

Windows: Update to latest version of iTunes.

If you keep to see error ten, or you don't encounter a dialog asking you to update the software on your mac, contact Apple Support.

Make sure that your device can communicate with Apple servers

If you see fault 1671, your computer is downloading necessary software. Wait for the download to finish, and then try once again.

If you meet 1 of the errors below, your computer might not be able to connect to Apple servers or your iPhone, iPad, or iPod bear on:

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

Hither's what to check:

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

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

If yous still see an error, contact Apple Support.

Cellular Update Failed or Apple Pay Not Bachelor alert

If yous see either "Cellular Update Failed" or "Apple Pay requires an Update on this iPhone" warning afterward an update, learn what to practise.

Check your USB connections

If you see error 4005, 4013, or 4014, apply these steps.

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

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

Here's what to cheque. Try again after each step:

  1. Utilize the USB cable that came with your device. If yous don't take information technology, effort a different Apple tree USB cablevision.
  2. Switch to a different USB port on your figurer. Don't plug into your keyboard.
  3. Switch to a USB port on a different computer.
  4. If you still see the error, check for other USB issues, cheque your third-political party security software, then check your hardware.

If you still see an mistake, contact Apple Back up.

Check your hardware

If you see mistake 53, use these steps.

If yous come across one of the errors below, yous might have a hardware issue:

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

Hither'southward what to check. Try once again after each footstep:

  1. If iTunes is already open, quit and reopen information technology.
  2. Check your 3rd-political party security software.
  3. Make sure that your USB cable, estimator, and network are reliable. And so try twice more to restore your device.
  4. Bank check for outdated or modified software.

If y'all still see the fault, contact Apple tree Back up.

Cheque for outdated or modified software

Published Appointment: