IPSW Downloads

iOS 26.3 - 23D127 for iPhone17,4

This firmware is signed. This means that you can restore to it in iTunes.

Release Date11 February 2026
Upload Date07 February 2026
File NameiPhone17,4_26.3_23D127_Restore.ipsw
File Size10.05 GB
SHA256sumdf884726ae1d56a83d60d29479c2eec028037e17d33626ef692e6c4c66d42cf5
MD5sumd083381f26954e4afe17c2c6cf807b57
SHA1sum10468c1ca4f359123184a4ff2a5f64822bfb8218
IdentifieriPhone17,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone17,4 to your PC.
  3. Open iTunes and navigate to your iPhone17,4.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone17,4_26.3_23D127_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone17,4 to reboot.

macOS

  1. Connect your iPhone17,4 to your Mac.
  2. Navigate to your iPhone17,4 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone17,4_26.3_23D127_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone17,4 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone17,4 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 iPhone17,4_26.3_23D127_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone17,4 to reboot.