IPSW Downloads

iOS 15.8.6 - 19H402 for iPhone 6s Plus

This firmware is signed. This means that you can restore to it in iTunes.

Release Date26 January 2026
Upload Date24 January 2026
File NameiPhone_5.5_15.8.6_19H402_Restore.ipsw
File Size5.06 GB
SHA256sum5b1ac195910060bd4a22db3c67c14199cac1d061c820e45cec8e13f29453f286
MD5sum4d7cf8dc146096568b9dffd6065577ce
SHA1sumf319cf2a7cf10999177e173700a864acb48786ad
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_15.8.6_19H402_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_15.8.6_19H402_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_15.8.6_19H402_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.