IPSW Downloads

iOS 15.8 - 19H370 for iPhone 6s Plus

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

Release Date25 October 2023
Upload Date16 October 2023
File NameiPhone_5.5_15.8_19H370_Restore.ipsw
File Size5.06 GB
SHA256sum8fe6c5d524f18755cdd8e6505bf417fc3ceb83afa8bcc35461953749b0f603d2
MD5sumf1489fe2bea9d6126cfb1562ddd9d48c
SHA1sum35c4377214fabaa2878925e7724acadff8a20e20
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_19H370_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_19H370_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_19H370_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.