IPSW Downloads

iOS 26.2.1 - 23C71 for iPhone18,4

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

Release Date26 January 2026
Upload Date21 January 2026
File NameiPhone18,4_26.2.1_23C71_Restore.ipsw
File Size10.02 GB
SHA256sum0b9c6570050f1297da62472a9b7ef1305753729c05f362033fd83233d5353de2
MD5sum04c5557a6ba26b9c80ab4a05090e6606
SHA1sumdfb037c2ece4c5c0cc4c8c19a42eabc728d29f26
IdentifieriPhone18,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone18,4 to your PC.
  3. Open iTunes and navigate to your iPhone18,4.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone18,4_26.2.1_23C71_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone18,4 to reboot.

macOS

  1. Connect your iPhone18,4 to your Mac.
  2. Navigate to your iPhone18,4 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone18,4_26.2.1_23C71_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone18,4 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone18,4 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 iPhone18,4_26.2.1_23C71_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone18,4 to reboot.