IPSW Downloads

iOS 26.3.1 - 23D8133 for iPhone18,3

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

Release Date04 March 2026
Upload Date01 March 2026
File NameiPhone18,3_26.3.1_23D8133_Restore.ipsw
File Size10.28 GB
SHA256sume395f64fa5f6f443097944a4905546c2c8610dae570ce04c707bc26c5efdfdb9
MD5sumecd7b9eeaed22b9b04affcb18c07919c
SHA1sumd5cdb6f44819fd1dd51d323d730cffcb4cc245d2
IdentifieriPhone18,3

Installation Instructions

Windows

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

macOS

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

Linux

  1. Install idevicerestore.
  2. Connect your iPhone18,3 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 iPhone18,3_26.3.1_23D8133_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone18,3 to reboot.