IPSW Downloads

iOS 26.3.1 - 23D8133 for iPhone18,1

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

Release Date04 March 2026
Upload Date01 March 2026
File NameiPhone18,1_26.3.1_23D8133_Restore.ipsw
File Size10.25 GB
SHA256suma3d38406af21b2212304d235744d56666a9c054149792d9837d1795890d0f832
MD5sum6f900ad7af51641599f958720720c492
SHA1sumc574282d8088216fa110c98356b8099d1e415273
IdentifieriPhone18,1

Installation Instructions

Windows

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

macOS

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

Linux

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