IPSW Downloads

iOS 11.2.1 - 15C153 for iPhone X GSM

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

Release Date13 December 2017
Upload Date10 December 2017
File NameiPhone10,6_11.2.1_15C153_Restore.ipsw
File Size2.76 GB
SHA256sumd91cfa66eedda82c9284a5e5bd361bbccb624c1285bfdf316cda8dce6f71a724
MD5sumaea307e1421b616bd5c3607240ba5b29
SHA1sum16bb3a030157cfde5dce3c5af1682531cac802eb
IdentifieriPhone10,6

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone X GSM to your PC.
  3. Open iTunes and navigate to your iPhone X GSM.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone10,6_11.2.1_15C153_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone X GSM to reboot.

macOS

  1. Connect your iPhone X GSM to your Mac.
  2. Navigate to your iPhone X GSM in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone10,6_11.2.1_15C153_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone X GSM to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone X GSM 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 iPhone10,6_11.2.1_15C153_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone X GSM to reboot.