IPSW Downloads

iOS 16.5 - 20F66 for iPhone 8 Plus

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

Release Date18 May 2023
Upload Date13 May 2023
File NameiPhone_5.5_P3_16.5_20F66_Restore.ipsw
File Size5.73 GB
SHA256sum5f664135371908215c1c623c90209ecfe6815ee48fa98d0113126316cc600b15
MD5sum009eb5f4a0cdd8a90abfc9f8a512a7b2
SHA1sum42015fac77c78ff4cc416e666d0f2bcaaf3a0cc1
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_16.5_20F66_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_16.5_20F66_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_16.5_20F66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.