iOS 17.6.1 (21G101) for iPhone 15

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iPhone 15

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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Download (7.5 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 15 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 15.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone15,4_17.6.1_21G101_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 15 to reboot.

macOS

  1. Plug your iPhone 15 in to your Mac.
  2. Navigate to your iPhone 15 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone15,4_17.6.1_21G101_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 15 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 15 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 iPhone15,4_17.6.1_21G101_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 15 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone15,4_17.6.1_21G101_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 0343bbf84ae44377fd6d750ac61707d27bb1c4c0. 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 iPhone15,4_17.6.1_21G101_Restore.ipsw
  3. The output of the command should match the following checksum: 0343bbf84ae44377fd6d750ac61707d27bb1c4c0. 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 iPhone15,4_17.6.1_21G101_Restore.ipsw
  3. The output of the command should match the following checksum: 0343bbf84ae44377fd6d750ac61707d27bb1c4c0. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum331f043f07500a60eed5317b7515b8a2c15adf338d4ec8574d19a882563ed259
MD5sum331f043f07500a60eed5317b7515b8a2c15adf338d4ec8574d19a882563ed259
SHA1sum0343bbf84ae44377fd6d750ac61707d27bb1c4c0
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update fixes an issue that may prevent access to Apple Fitness+.

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