iOS 8.4.1 (12H321) for iPhone 4[S]

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iPhone 4[S]

✗ 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 (1.5 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 4[S] in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 4[S].
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone4,1_8.4.1_12H321_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 4[S] to reboot.

macOS

  1. Plug your iPhone 4[S] in to your Mac.
  2. Navigate to your iPhone 4[S] in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone4,1_8.4.1_12H321_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 4[S] to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 4[S] 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 iPhone4,1_8.4.1_12H321_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 4[S] to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone4,1_8.4.1_12H321_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 0858ce92863751e3f1b750b5ee3cc3e44800a52d. 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 iPhone4,1_8.4.1_12H321_Restore.ipsw
  3. The output of the command should match the following checksum: 0858ce92863751e3f1b750b5ee3cc3e44800a52d. 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 iPhone4,1_8.4.1_12H321_Restore.ipsw
  3. The output of the command should match the following checksum: 0858ce92863751e3f1b750b5ee3cc3e44800a52d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum68a5f724ec43b020caec7e83768252727173f0c180f12ee3d6ba8fc8aa90b27a
MD5sum68a5f724ec43b020caec7e83768252727173f0c180f12ee3d6ba8fc8aa90b27a
SHA1sum0858ce92863751e3f1b750b5ee3cc3e44800a52d
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 8.4.1

This release includes improvements and fixes to Apple Music. 

  • Resolves issues that could prevent turning on iCloud Music Library

  • Resolves an issue that hides added music because Apple Music was set to show offline music only

  • Provides a way to add songs to a new playlist if there aren't any playlists to choose from

  • Resolves an issue that may show different artwork for an album on other devices

  • Resolves several issues for artists while posting to Connect

  • Fixes an issue where tapping Love doesn't work as expected while listening to Beats 1

For information on the security content of this update, please visit this website:   

http://support.apple.com/kb/HT1222

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