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iPhone 5s (Global)

iOS 11.3.1 (15E302) for iPhone 5s (Global)

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

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✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 5s (Global) in to your PC.
  3. Open iTunes, and navigate to your iPhone 5s (Global).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 5s (Global) to reboot.

macOS

  1. Plug your iPhone 5s (Global) in to your Mac.
  2. Navigate to your iPhone 5s (Global) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 5s (Global) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 5s (Global) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 5s (Global) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: dd1d1c8ff8afcd1d5f6f4cf30eb3d12a777beb3e. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw
  3. The output of the command should match the following checksum: dd1d1c8ff8afcd1d5f6f4cf30eb3d12a777beb3e. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw
  3. The output of the command should match the following checksum: dd1d1c8ff8afcd1d5f6f4cf30eb3d12a777beb3e. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 64b892c580be1509e45e94a64be70e2e46b444b6cd48844dc7146a9af56ddc5a
MD5sum 058d17d6c4486614cd760e76a0b66872
SHA1sum dd1d1c8ff8afcd1d5f6f4cf30eb3d12a777beb3e
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.3.1 improves the security of your iPhone or iPad and addresses an issue where touch input was unresponsive on some iPhone 8 devices because they were serviced with non-genuine replacement displays.

Note: Non-genuine replacement displays may have compromised visual quality and may fail to work correctly. Apple-certified screen repairs are performed by trusted experts who use genuine Apple parts. See support.apple.com for more information.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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