IPSW Downloads

iOS 11.0.2 - 15A421 for iPhone 8 Plus

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

Release Date03 October 2017
Upload Date28 September 2017
File NameiPhone10,5_11.0.2_15A421_Restore.ipsw
File Size2.61 GB
SHA256sumdb0928bf74c0afc9d4fbf8bb71a6444e0a34f6865b1cf9017fdba7e69258c796
MD5sum10216824ae51b7ac579f2c9a5855dc61
SHA1sum1003f337632435727d72e609f9c3756a8d6e56fb
IdentifieriPhone10,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 8 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 8 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone10,5_11.0.2_15A421_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 8 Plus to reboot.

macOS

  1. Connect your iPhone 8 Plus to your Mac.
  2. Navigate to your iPhone 8 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone10,5_11.0.2_15A421_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 8 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 iPhone10,5_11.0.2_15A421_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.