Go back to firmware list
iPhone 15 Plus

Download iOS 17.5 RC (21F79) for iPhone 15 Plus

Released
May 7, 2024
Version
iOS 17.5 RC
Build
21F79
Identifier
iPhone15,5
Filename
iPhone15,5_17.5_21F79_Restore.ipsw
File size
8.09 GB
Download8.09 GB

iOS 17.5 RC Release Notes

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

This update introduces a new Pride Radiance wallpaper for the Lock Screen, Apple News enhancements, and other features, bug fixes, and security updates for your iPhone.

Apple News+
  • Offline mode in Apple News+ gives you access to the Today feed and News+ tab, even when you don't have an internet connection
  • Quartiles is a new and original daily word game that is now available in Apple News+
  • Scoreboard in News+ Puzzles gives you access to new player data for Crossword, Mini Crossword and Quartiles, including stats and streaks
Tracking Notifications
  • Cross-Platform Tracking Detection delivers notifications to users if a compatible Bluetooth tracker they do not own is moving with them, regardless of what operating system the device is paired with

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

Related IPSW

View all IPSW beta for this iPhone
Version Released File Size
17.5 RC
21F79
 May 7, 2024 8.09 GB
17.5 beta 4
21F5073b
 April 30, 2024 8.07 GB
17.5 beta 3
21F5063f
 April 23, 2024 8.07 GB
17.5 beta 2
21F5058e
 April 16, 2024 8.06 GB
17.5 beta
21F5048f
 April 2, 2024 8.06 GB

Installation Instructions

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

Always back up your device before installing beta software. You can back up your iPhone or iPad using iCloud or your computer.

macOS

  1. Plug your iPhone 15 Plus in to your Mac.
  2. Navigate to your iPhone 15 Plus in Finder.
  3. Hold the Option or Alt key on your keyboard, and click the "Check for Update" button.
  4. Select the iPhone15,5_17.5_21F79_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 15 Plus to reboot.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 15 Plus in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 15 Plus.
  4. Hold the Shift key on your keyboard, and click the "Check for Update" button.
  5. Select the iPhone15,5_17.5_21F79_Restore.ipsw file that you downloaded.
  6. Wait for the update process to complete, and the iPhone 15 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 15 Plus 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 iPhone15,5_17.5_21F79_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 15 Plus to reboot.