IPSW Downloads

iOS 15.3.1 - 19D52 for iPhone 6s

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

Release Date10 February 2022
Upload Date07 February 2022
File NameiPhone_4.7_15.3.1_19D52_Restore.ipsw
File Size5.07 GB
SHA256sumbe85c83b2504d5103e4f6a6be2e3e039bfb12b27707919b27e6e9b906a93c062
MD5sumb345fadb1ae50d25bf34b0acb1cc1438
SHA1sum908884e9b7014a7161534c895fc649e9cd44508a
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_15.3.1_19D52_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_15.3.1_19D52_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_15.3.1_19D52_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.