IPSW Downloads

iOS 26.2.1 - 23C71 for iPhone 15

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

Release Date26 January 2026
Upload Date21 January 2026
File NameiPhone15,4_26.2.1_23C71_Restore.ipsw
File Size9.42 GB
SHA256sum9629a97efe9003fe62dec630d4d872810720b3f34006911359aa9c6d6795022b
MD5suma608652f2940715bf1f759ca09c9ac0a
SHA1sumf0bfe270fd6a559149cf0c214506e8c865a30dbd
IdentifieriPhone15,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 to your PC.
  3. Open iTunes and navigate to your iPhone 15.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,4_26.2.1_23C71_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 to reboot.

macOS

  1. Connect your iPhone 15 to your Mac.
  2. Navigate to your iPhone 15 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,4_26.2.1_23C71_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 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 iPhone15,4_26.2.1_23C71_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.