IPSW Downloads

iOS 15.3.1 - 19D52 for iPhone 6s Plus

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

Release Date10 February 2022
Upload Date07 February 2022
File NameiPhone_5.5_15.3.1_19D52_Restore.ipsw
File Size5.21 GB
SHA256sumf0b9f27b497ebc88a29e0dc62a52bd92bdc6a7069808b450fa68fbbcd2523954
MD5sumfcfa141802a5bf1c95f5ebeaf21d4587
SHA1sumec4163cc47dc688b58541c00f190f942e2db3101
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_15.3.1_19D52_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_15.3.1_19D52_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_15.3.1_19D52_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.