IPSW Downloads

iOS 17.2.1 - 21C66 for iPhone XR

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

Release Date19 December 2023
Upload Date16 December 2023
File NameiPhone11,8_17.2.1_21C66_Restore.ipsw
File Size6.92 GB
SHA256sum4b375b50c57c48453bce38233598677346f9746382838f36d9662280b9482e2c
MD5sum1db9467d8d2b4dd097c11e8db4ad26dc
SHA1sum1fcf5997774e44da4371552792b7beff5136582b
IdentifieriPhone11,8

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone XR to your PC.
  3. Open iTunes and navigate to your iPhone XR.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone11,8_17.2.1_21C66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone XR to reboot.

macOS

  1. Connect your iPhone XR to your Mac.
  2. Navigate to your iPhone XR in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone11,8_17.2.1_21C66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone XR to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone XR 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 iPhone11,8_17.2.1_21C66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone XR to reboot.