IPSW Downloads

iOS 27.0 - 24A437 for iPhone 12 Pro Max

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

Release Date14 September 2026
Upload Date10 September 2026
File NameiPhone13,4_27.0_24A437_Restore.ipsw
File Size10.49 GB
SHA256sum6bd9e970ce1b47571ad84f7f43ab5270709baa9cc3dda08ca3a4d60c5a1a3309
MD5sumdf217937b15469950c75ae98ad81d718
SHA1sumb2067d83be106866d5bad869eeef9bf15bd0d391
IdentifieriPhone13,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 12 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 12 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone13,4_27.0_24A437_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 12 Pro Max to reboot.

macOS

  1. Connect your iPhone 12 Pro Max to your Mac.
  2. Navigate to your iPhone 12 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone13,4_27.0_24A437_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 12 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 12 Pro Max 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 iPhone13,4_27.0_24A437_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 12 Pro Max to reboot.