IPSW Downloads

iOS 12.3.1 - 16F203 for iPhone 6s

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

Release Date24 May 2019
Upload Date22 May 2019
File NameiPhone_4.7_12.3.1_16F203_Restore.ipsw
File Size2.96 GB
SHA256sum70e51aa0e3caa1cf5f41d5fbfba4c2042312ce6744bf5513995d3507d012a313
MD5sum1ad6e98e23966a3650a3c27a92aae0b1
SHA1sumd94c3d41c1b2b2541cd7ef7b4ebe16e60ac51266
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_12.3.1_16F203_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_12.3.1_16F203_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_12.3.1_16F203_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.