IPSW Downloads

iOS 11.3.1 - 15E302 for iPhone 8

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

Release Date24 April 2018
Upload Date14 April 2018
File NameiPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw
File Size2.71 GB
SHA256sum7cd5687b6c3a64fbb56dcd825f2f9d776a6ded05d3751b6dceab65cd2ca5329a
MD5sum47b9fac4b26de070852a57cbe89938b7
SHA1sum00f8a05f2e1480e3f4d92932081a35d00b7980cd
IdentifieriPhone10,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 8 to your PC.
  3. Open iTunes and navigate to your iPhone 8.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 8 to reboot.

macOS

  1. Connect your iPhone 8 to your Mac.
  2. Navigate to your iPhone 8 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 8 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 8 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 iPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 to reboot.