1 Choose a product
2 Choose a platform
3 Choose a version
4 Download
iPhone X (Global)

iOS 11.2.1 (15C153) for iPhone X (Global)

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (2.96 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone X (Global) in to your PC.
  3. Open iTunes, and navigate to your iPhone X (Global).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone10,6_11.2.1_15C153_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone X (Global) to reboot.

macOS

  1. Plug your iPhone X (Global) in to your Mac.
  2. Navigate to your iPhone X (Global) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone10,6_11.2.1_15C153_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone X (Global) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone X (Global) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that 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 the iPhone X (Global) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone10,6_11.2.1_15C153_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 16bb3a030157cfde5dce3c5af1682531cac802eb. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone10,6_11.2.1_15C153_Restore.ipsw
  3. The output of the command should match the following checksum: 16bb3a030157cfde5dce3c5af1682531cac802eb. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone10,6_11.2.1_15C153_Restore.ipsw
  3. The output of the command should match the following checksum: 16bb3a030157cfde5dce3c5af1682531cac802eb. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum d91cfa66eedda82c9284a5e5bd361bbccb624c1285bfdf316cda8dce6f71a724
MD5sum aea307e1421b616bd5c3607240ba5b29
SHA1sum 16bb3a030157cfde5dce3c5af1682531cac802eb
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

Bluesky Mastodon r/jailbreak Twitter