IPSW Downloads

iOS 8.3 - 12F70 for iPhone 5S (GSM)

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

Release Date08 April 2015
Upload Date04 April 2015
File NameiPhone6,1_8.3_12F70_Restore.ipsw
File Size1.77 GB
SHA256sumb89f91212b9ca966be93f403adc410deff803c87e725b3820cb67f0fd7e4fb83
MD5sumc9614310b6e21ebf1d5ecf0c8af7097d
SHA1sum8f1f74f652830b63468dc0c6f12af6d318df8d7f
IdentifieriPhone6,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 5S (GSM) to your PC.
  3. Open iTunes and navigate to your iPhone 5S (GSM).
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone6,1_8.3_12F70_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

macOS

  1. Connect your iPhone 5S (GSM) to your Mac.
  2. Navigate to your iPhone 5S (GSM) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone6,1_8.3_12F70_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 5S (GSM) 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 iPhone6,1_8.3_12F70_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.