IPSW Downloads

iOS 11.4.1 - 15G77 for iPhone 8 Plus

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

Release Date09 July 2018
Upload Date30 June 2018
File NameiPhone_5.5_P3_11.0_11.4.1_15G77_Restore.ipsw
File Size2.87 GB
SHA256sum772d1cd09cbf8b4ded5f3e4507a4a3fdbcbad102c6b6fe125ab1941359c6f6b4
MD5sum521c237322a0db9161c36608a33726fe
SHA1sumdde8446d5f5e8865de8f1c018b23b4ec6080d8f4
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 iPhone_5.5_P3_11.0_11.4.1_15G77_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 iPhone_5.5_P3_11.0_11.4.1_15G77_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 iPhone_5.5_P3_11.0_11.4.1_15G77_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.