iOS 15.5 (19F77) for iPhone 6s+

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iPhone 6s+

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (5.1 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 6s+ in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 6s+.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_5.5_15.5_19F77_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 6s+ to reboot.

macOS

  1. Plug your iPhone 6s+ in to your Mac.
  2. Navigate to your iPhone 6s+ in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_5.5_15.5_19F77_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 6s+ to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 6s+ 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_5.5_15.5_19F77_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 6s+ to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_5.5_15.5_19F77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: d7d831c9ce0caadbd65554deb6d83eacc07ecf5b. 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_5.5_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: d7d831c9ce0caadbd65554deb6d83eacc07ecf5b. 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_5.5_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: d7d831c9ce0caadbd65554deb6d83eacc07ecf5b. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumc9b32ca7ab715bbdeaae28e6f47adacfdf3b444924a9e91c3eadd5916dcb1bca
MD5sumc9b32ca7ab715bbdeaae28e6f47adacfdf3b444924a9e91c3eadd5916dcb1bca
SHA1sumd7d831c9ce0caadbd65554deb6d83eacc07ecf5b
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.5 includes the following improvements and bug fixes:

  • Wallet now enables Apple Cash customers to send and request money from their Apple Cash card

  • Apple Podcasts includes a new setting to limit episodes stored on your iPhone and automatically delete older ones

  • Fixes an issue where home automations, triggered by people arriving or leaving, may fail

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

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

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