IPSW Downloads

iOS 11.2.1 - 15C153 for iPhone 8

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

Release Date13 December 2017
Upload Date10 December 2017
File NameiPhone_4.7_P3_11.0_11.2.1_15C153_Restore.ipsw
File Size2.61 GB
SHA256sumc0d83f6178b90f8a1420d7d1f85e3a88a9f1e328bbebdac6d55c852ad2ef1b36
MD5sum60e9f1e059cf412002ea243a05c2276a
SHA1sum8f83e7c2e01b87a98437434574e943a733bb1c42
IdentifieriPhone10,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 8 to your PC.
  3. Open iTunes and navigate to your iPhone 8.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.7_P3_11.0_11.2.1_15C153_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 8 to reboot.

macOS

  1. Connect your iPhone 8 to your Mac.
  2. Navigate to your iPhone 8 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.7_P3_11.0_11.2.1_15C153_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 8 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 8 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 iPhone_4.7_P3_11.0_11.2.1_15C153_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 to reboot.