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iPhone 6s

iOS 15.1 (19B74) for iPhone 6s

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

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Download (5.42 GB)

✗ 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 6s in to your PC.
  3. Open iTunes, and navigate to your iPhone 6s.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_15.1_19B74_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_4.7_15.1_19B74_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_4.7_15.1_19B74_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_4.7_15.1_19B74_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: a70c827fcbc61fafdf73f281d9c557d258ab577f. 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_4.7_15.1_19B74_Restore.ipsw
  3. The output of the command should match the following checksum: a70c827fcbc61fafdf73f281d9c557d258ab577f. 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_4.7_15.1_19B74_Restore.ipsw
  3. The output of the command should match the following checksum: a70c827fcbc61fafdf73f281d9c557d258ab577f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 44207c4130e8bf2898429d71a14503dd76a31f1a403c013ca50df753a37592c8
MD5sum fd7a4691a80fc9f3ac773f52aaa0710a
SHA1sum a70c827fcbc61fafdf73f281d9c557d258ab577f
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

SharePlay

  • SharePlay is a new way to share synchronized experiences in FaceTime with content from the Apple TV app, Apple Music, Fitness+, and other supported App Store apps
  • Shared controls give everyone the ability to pause, play, rewind or fast forward
  • Smart volume automatically lowers the audio of a movie, TV show or song when your friends speak
  • Apple TV supports the option to watch the shared video on your big screen while you continue the FaceTime call on iPhone
  • Screen sharing lets everyone on a FaceTime call look at photos, browse the web, or help each other out

Camera

  • ProRes video capture using iPhone 13 Pro and iPhone 13 Pro Max
  • Setting to turn off automatic camera switching when taking macro photos and videos on iPhone 13 Pro and iPhone 13 Pro Max

Apple Wallet

  • COVID-19 vaccination card support allows you to add and present verifiable vaccination information from Apple Wallet

Translate

  • Mandarin Chinese (Taiwan) support in the Translate app and for system-wide translation

Home

  • New automation triggers based on the current reading of a HomeKit-enabled humidity, air quality, or light level sensor

Shortcuts

  • New pre-built actions let you overlay text on images or gifs, plus a new collection of games lets you pass the time with Siri

This release also fixes the following issues:

  • Photos app may incorrectly report storage is full when importing photos and videos
  • Weather app may not show current temperature for My Location, and may display colors of animated backgrounds incorrectly
  • Audio playing from an app may pause when locking the screen
  • Wallet may unexpectedly quit when using VoiceOver with multiple passes
  • Available Wi-Fi networks may not be detected
  • Battery algorithms updated on iPhone 12 models to better estimate battery capacity over time

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

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

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