IPSW Downloads

iOS 17.1.2 - 21B101 for iPhone 15 Plus

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

Release Date30 November 2023
Upload Date27 November 2023
File NameiPhone15,5_17.1.2_21B101_Restore.ipsw
File Size7.47 GB
SHA256sum233a7fe2cd5e9b2f7f1aea6c90b64eb68f48412fa9469bb5d50f26f5b21dc48b
MD5sum0f64cd67668706de75fbd332572b96be
SHA1sumeeb6ac255dd1bff1416be92e1e6c4a1259925238
IdentifieriPhone15,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 15 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,5_17.1.2_21B101_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Plus to reboot.

macOS

  1. Connect your iPhone 15 Plus to your Mac.
  2. Navigate to your iPhone 15 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,5_17.1.2_21B101_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 Plus 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 iPhone15,5_17.1.2_21B101_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Plus to reboot.