IPSW Downloads

iOS 17.1.2 - 21B101 for iPhone 11

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

Release Date30 November 2023
Upload Date27 November 2023
File NameiPhone12,1_17.1.2_21B101_Restore.ipsw
File Size6.81 GB
SHA256sum5943effccff96d210c34a666e2202a7059d2f1ad9ebc83e212e22d48ca03d0cd
MD5sum6e8c9be3f15597276d520183769d6196
SHA1sum2d6b626a7f02a2f28f20c409f4a5e8550af481d2
IdentifieriPhone12,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 11 to your PC.
  3. Open iTunes and navigate to your iPhone 11.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone12,1_17.1.2_21B101_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 11 to reboot.

macOS

  1. Connect your iPhone 11 to your Mac.
  2. Navigate to your iPhone 11 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone12,1_17.1.2_21B101_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 11 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 11 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 iPhone12,1_17.1.2_21B101_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 11 to reboot.