IPSW Downloads

iOS 15.8.8 - 19H422 for iPhone 6s Plus

This firmware is signed. This means that you can restore to it in iTunes.

Release Date11 May 2026
Upload Date01 May 2026
File NameiPhone_5.5_15.8.8_19H422_Restore.ipsw
File Size5.05 GB
SHA256sumbfa590392f10d4b4c7600921f8c3158e861bd2680d9e188351f478b54406332b
MD5sum56c5b3f48a5b3cf83943126777f6794d
SHA1sume44b9964d6a1cdaf8f3ed5d1675959da806301cf
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_15.8.8_19H422_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_15.8.8_19H422_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_15.8.8_19H422_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.