IPSW Downloads

iOS 15.8.4 - 19H390 for iPhone 6s

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

Release Date31 March 2025
Upload Date21 March 2025
File NameiPhone_4.7_15.8.4_19H390_Restore.ipsw
File Size4.92 GB
SHA256sume74977fdf5fd7c652ff7a265a0a2760d4bbac533cc722112a674671c1b9569df
MD5sumee9e6bf03a44ba9ef67595da051131de
SHA1suma27fb4d1324841ede2fb445c2cac89d40913c216
IdentifieriPhone8,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6s to your PC.
  3. Open iTunes and navigate to your iPhone 6s.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.7_15.8.4_19H390_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6s to reboot.

macOS

  1. Connect your iPhone 6s to your Mac.
  2. Navigate to your iPhone 6s in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.7_15.8.4_19H390_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6s 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_4.7_15.8.4_19H390_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.