IPSW Downloads

iOS 17.6.1 - 21G101 for iPhone 15

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

Release Date19 August 2024
Upload Date17 August 2024
File NameiPhone15,4_17.6.1_21G101_Restore.ipsw
File Size7.53 GB
SHA256sum331f043f07500a60eed5317b7515b8a2c15adf338d4ec8574d19a882563ed259
MD5sum0b7026094502bf7cee143015d49893e6
SHA1sum0343bbf84ae44377fd6d750ac61707d27bb1c4c0
IdentifieriPhone15,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 to your PC.
  3. Open iTunes and navigate to your iPhone 15.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,4_17.6.1_21G101_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 to reboot.

macOS

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

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 to your PC.
  3. Open a terminal and navigate to the IPSW file 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 for your iPhone 15 to reboot.