IPSW Downloads

iOS 11.3 - 15E216 for iPhone 6s Plus

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

Release Date29 March 2018
Upload Date16 March 2018
File NameiPhone_5.5_11.3_15E216_Restore.ipsw
File Size2.73 GB
SHA256sum38433d0532c9b2b42054dc0c96e99f5ef7c061b9db3d5081a34bb02b47904a1e
MD5sume59d88c475147a2d616ea41c5b0d2c5c
SHA1sum381567e25bc44c882ee557b7917c571731282a59
IdentifieriPhone8,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6s Plus to your PC.
  3. Open iTunes and navigate to your iPhone 6s Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_5.5_11.3_15E216_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6s Plus to reboot.

macOS

  1. Connect your iPhone 6s Plus to your Mac.
  2. Navigate to your iPhone 6s Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_5.5_11.3_15E216_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6s 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_11.3_15E216_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.