How to Downgrade iOS 12 to iOS 11.3.1 or 11.4! EASY!

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How to Downgrade iOS

This wikiHow teaches you how to revert your iOS device to a previous version of software. Doing so will erase your iPhone's content and you won't be able to restore using a backup from your current operating system; additionally, Apple only permits downgrading your iOS for around a week after a new iOS version is released.

Quick Summary

1. Go toon a computer.
2. Select your device and model.
3. Click the older iOS version.
4. ClickDownload.
5. Connect the iPhone or iPad to the computer.
6. OpeniTunes.
7. Click the iPhone or iPad.
8. PressShift(PC) orOption(Mac) and selectRestore iPhone.
9. Select the IPSW file and clickOpen.
10. ClickRestore.

Did this summary help you?


  1. Go to the .An iPhone Software (IPSW) file requires authorization by Apple to implement; Apple will typically continue providing this authorization for a week after a new software update is released.
    • If you're attempting to downgrade from a future iOS version to iOS 10.3, for example, you'll be able to do so within a week of that software's update.
  2. Click your device type.You'll clickiPhone,iPad, oriPodon this page.
  3. Click your device model.For example, you would click theiPhone 7 (Global)for a Verizon iPhone 7.
  4. Review the green links at the top of the page.You'll typically see two links here: the current iOS (for example, iOS 10.3) and one iOS update back (e.g., iOS 10.2.1). You'll need to click the iOS version to which you wish to downgrade.
    • Any red links are IPSW files that are no longer being signed by Apple. These files won't work on your iDevice.
    • If you're already running the older version of the two IPSW files listed here, you can't downgrade.
  5. Click the older update.It will usually be below the top link.
  6. ClickDownload.It's near the bottom of the page. Doing so will prompt your IPSW file to begin downloading.
    • Depending on your browser, you may first need to select a save location (e.g., your computer's desktop).
    • Your IPSW file will likely take around half an hour to download.
  7. Open iTunes.It's a white app with a multicolored musical note on it.
    • You may be prompted to clickDownload iTunesif there is an update available. If so, update iTunes and restart your computer before continuing.
  8. Attach your iPhone to your computer.Do so by plugging the large end of your iPhone's charger into your computer's USB port and the small end of your iPhone's charger cord into your iPhone.
  9. Click the "Device" icon.It's the iPhone-shaped icon above the sidebar on the left side of the iTunes window.
  10. Hold downShift(PC) orOption(Mac) and clickRestore iPhone.Doing so will bring up a search window wherein you can select your IPSW file.
  11. Click your IPSW file.It will be in your computer's default "Downloads" location, and the file itself will have the iTunes logo on it.
  12. Click .It's at the bottom of the window. Doing so will open your IPSW file in iTunes and prompt a pop-up window.
  13. ClickRestorewhen prompted.This will cause iTunes to erase completely your iPhone and reinstall the previous rendition of iOS on it.
    • Once the process is complete, you can restore a previous backup to get your contacts, photos, messages, and so on back. This backup cannot be from the subsequent iOS version, or your downgrade will be lost.

Community Q&A

  • Question
    How can I downgrade from iOS 10.2 to iOS 9.3?
    wikiHow Contributor
    Community Answer
    Unfortunately, you can't. Apple is no longer signing the IPSW files for iOS 9.3.
  • Question
    How can I downgrade from iOS 11.03 to iOS 11.01?
    wikiHow Contributor
    Community Answer
    You can’t, Apple is no longer signing iOS 11.0.3.
  • Question
    How can I downgrade my iPad 2 from iOS 9.3.5 to iOS 5?
    wikiHow Contributor
    Community Answer
    You cannot do that because iOS 5 is no longer supported.
Unanswered Questions
  • How can I downgrade iOS 11.4 to 11.0 to 11.1.2?
  • Can I downgrade an iPad Air iOS 11 to 10?
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