IPSW Downloads

iOS 15.8.3 - 19H386 for iPhone 6s Plus

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

Release Date29 July 2024
Upload Date18 July 2024
File NameiPhone_5.5_15.8.3_19H386_Restore.ipsw
File Size5.06 GB
SHA256sum3adaee7fd68149b9bcfb34343014853272a99c761105a349068f7b56708b9640
MD5sume6a0b981c87d490573fadd74d759379f
SHA1sum1637ed7dbbc426d758ad5ec89c53360cf6d203cf
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_15.8.3_19H386_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_15.8.3_19H386_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_15.8.3_19H386_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.