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iPhone 5s (GSM)

iOS 12.5.8 (16H88) for iPhone 5s (GSM)

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (3.02 GB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 5s (GSM) in to your PC.
  3. Open iTunes, and navigate to your iPhone 5s (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 5s (GSM) to reboot.

macOS

  1. Plug your iPhone 5s (GSM) in to your Mac.
  2. Navigate to your iPhone 5s (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 5s (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 5s (GSM) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that 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 the iPhone 5s (GSM) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 283ec31c183735a412f1f890ecaf556c4cc7a35c. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw
  3. The output of the command should match the following checksum: 283ec31c183735a412f1f890ecaf556c4cc7a35c. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone_4.0_64bit_12.5.8_16H88_Restore.ipsw
  3. The output of the command should match the following checksum: 283ec31c183735a412f1f890ecaf556c4cc7a35c. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 65bb7235c1c8c76c951a37c76746c3e7015fdbe9f05850e1a4705103c1f00238
MD5sum 824ff1159268627992425fde3caf243b
SHA1sum 283ec31c183735a412f1f890ecaf556c4cc7a35c
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update extends the certificate required by features such as iMessage, FaceTime, and device activation to continue working after January 2027.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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