IPSW Downloads

iOS 15.8.8 - 19H422 for iPhone 6s

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

Release Date11 May 2026
Upload Date01 May 2026
File NameiPhone_4.7_15.8.8_19H422_Restore.ipsw
File Size4.91 GB
SHA256sum906751cb5d10ebe666b3873496e5bd1c3ede0cabd26f3a4e10812602855a6ffd
MD5sum0328f97c064c06976b5f6a499f8deba1
SHA1sumb8d93af9335b4182cf4ed5160cf4ca63e25d131a
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_15.8.8_19H422_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_15.8.8_19H422_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_15.8.8_19H422_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.