IPSW Downloads

iOS 12.5.8 - 16H88 for iPhone 5S (GSM)

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

Release Date26 January 2026
Upload Date22 January 2026
File NameiPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw
File Size2.81 GB
SHA256sum65bb7235c1c8c76c951a37c76746c3e7015fdbe9f05850e1a4705103c1f00238
MD5sum824ff1159268627992425fde3caf243b
SHA1sum283ec31c183735a412f1f890ecaf556c4cc7a35c
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 iPhone_4.0_64bit_12.5.8_16H88_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 iPhone_4.0_64bit_12.5.8_16H88_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 iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.