IPSW Downloads

iOS 15.8.5 - 19H394 for iPhone 6s Plus

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

Release Date15 September 2025
Upload Date04 September 2025
File NameiPhone_5.5_15.8.5_19H394_Restore.ipsw
File Size5.06 GB
SHA256sum338261a6805f7cb828c89777eb30c2f7be466da4e768ad1d6ea83c4863c15cc7
MD5sum73af7c20315d246e9c4d7d5d98b8c353
SHA1sumd213915b9958d2bf99b451379ad99417c493d61c
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_15.8.5_19H394_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_15.8.5_19H394_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_15.8.5_19H394_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.