IPSW Downloads

iOS 26.3.1 - 23D8133 for iPhone18,5

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

Release Date04 March 2026
Upload Date01 March 2026
File NameiPhone18,5_26.3.1_23D8133_Restore.ipsw
File Size9.99 GB
SHA256sumb972cec1659882aff1b939cf5d911cf8cbe8f0de1aa1590985b7abb8929c80bc
MD5sum797b49e3635a3f6e36beafc2616de743
SHA1sum2efe3ae34b3b0d7ed5761f097885803091b6b84b
IdentifieriPhone18,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone18,5 to your PC.
  3. Open iTunes and navigate to your iPhone18,5.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone18,5_26.3.1_23D8133_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone18,5 to reboot.

macOS

  1. Connect your iPhone18,5 to your Mac.
  2. Navigate to your iPhone18,5 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone18,5_26.3.1_23D8133_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone18,5 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone18,5 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 iPhone18,5_26.3.1_23D8133_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone18,5 to reboot.