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Nov 14, 2024 · Choose the error code or message that appears: 'This device isn't eligible for the requested build.'. 'The required resource can't be found.'. Learn what to do if you see an error code or alert when you use your computer to update or restore your device.
- iOS update and restore errors - Apple Support
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- iOS update and restore errors - Apple Support
- Overview
- Try these steps first
- Choose your error number or message
- Update the software on your Mac or PC
- Make sure that your device can communicate with Apple servers
- Cellular Update Failed or Apple Pay Not Available alert
- Check your security software
- Check your USB connections
- Check your hardware
- Check for outdated or modified software
Learn how to solve iOS update and restore errors.
1.On a Mac with macOS Catalina 10.15 or later, make sure your Mac is up to date. If you have a Mac with macOS Mojave 10.14 or earlier, make sure you have the latest version of iTunes. If you have a PC, make sure you have the latest version of iTunes or the Apple Devices app.
2.If your device couldn't be restored and you get a message that "an unknown error occurred [error number]," use these steps.
To learn what to do, choose your error:
•1, 2, 3, 4, 6, 9, 10, 11, 12, 13, 14, 16, 17
•20, 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
If you see error 10, your iOS device might have a newer version of iOS than is supported by your computer. You'll need to update the software on your Mac or to update iTunes or the Apple Devices app on Windows before you can update or restore your iOS device.
macOS 10.11 and later:
1.Disconnect and then reconnect your iOS device to your computer. You might need to unlock your iOS device before it is recognized by 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 so your Mac can update or restore your iOS device.
Windows: Update to latest version of iTunes or the Apple Devices app.
If you continue to see error 10, or you don't see a dialog asking you to update the software on your mac, contact Apple Support.
If you see error 1671, your computer is downloading necessary software. Wait for the download to finish, then try again.
If you see one 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 problem downloading the software."
•"The device isn't eligible for the requested build."
Here's what to check:
If you see either "Cellular Update Failed" or "Apple Pay requires an Update on this iPhone" alert after an update, learn what to do.
•If you see error 9, use these steps.
•If you see errors 2, 4, 6, or 1611, check your third-party security software. Then check your USB connection.
If you see 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's what to check. Try again after each step:
If you see error 53, use these steps.
If you see one of the errors below, you might have a hardware issue:
•1, 3, 11, 12, 13, 16
•20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 56
•1002, 1004, 1011, 1012, 1014, 1667, 1669
Here's what to check. Try again after each step:
If you see error 1015 or a message that "the required resource can't be found," your device might have unauthorized software modifications (jailbreaking). Or you might be trying to install an earlier version of iOS (downgrading).
To restore your device to the latest version of software, use recovery mode on your iPhone or recovery mode on your iPad.
If you still see an error, contact Apple Support.
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Feb 3, 2022 · I replaced my iPhone 11 screen with an aftermarket screen. Now my phone continuously shows a message indicator in Settings notifying me on an ‘Unknown Part’. How can I turn this indicator off in settings?
Dec 18, 2023 · What Causes “iPhone Could Not Be Restored. An Unknown Error Occurred (-1)”? The computer will return the error when it cannot download an iOS update or install a downloaded iOS version on the...
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Oct 19, 2023 · If you see error 10, your iOS device might have a newer version of iOS than is supported by your computer. You'll need to update the software on your Mac or iTunes on Windows before you can update or restore your iOS device. macOS 10.11 and later: Disconnect and then reconnect your iOS device to your computer.
Aug 27, 2023 · You've pulled your iPhone out of your pocket only to be greeted with an error that says "iPhone unavailable" with seemingly no solution. So why does this "unavailable" lock screen appear, how do you fix it, and how can you avoid it in the future?
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What if I can't update or restore my iOS device?
2 days ago · Learn what to do if you see an error when you update or restore your iPhone or iPod. If you can’t update or restore your device with recovery mode, you can't use recovery mode because of broken buttons, or your device is stuck in Activation Lock, contact Apple Support. Published Date: September 16, 2024. Search the Community.
