iOS 4.2.10 (8E600) for iPhone 4 (CDMA)

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iPhone 4 (CDMA)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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

Download (653 MiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 4 (CDMA) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 4 (CDMA).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone3,3_4.2.10_8E600_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 4 (CDMA) to reboot.

macOS

  1. Plug your iPhone 4 (CDMA) in to your Mac.
  2. Navigate to your iPhone 4 (CDMA) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone3,3_4.2.10_8E600_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 4 (CDMA) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 4 (CDMA) 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 iPhone3,3_4.2.10_8E600_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 4 (CDMA) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone3,3_4.2.10_8E600_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 789ee18ee9659c87cfff304f69fd7ea4c205693b. 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 iPhone3,3_4.2.10_8E600_Restore.ipsw
  3. The output of the command should match the following checksum: 789ee18ee9659c87cfff304f69fd7ea4c205693b. 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 iPhone3,3_4.2.10_8E600_Restore.ipsw
  3. The output of the command should match the following checksum: 789ee18ee9659c87cfff304f69fd7ea4c205693b. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum55f7af45f0f26688b519bbc18c5f7c6035bb437725c7be83ecad7ef27aa7f0c0
MD5sum55f7af45f0f26688b519bbc18c5f7c6035bb437725c7be83ecad7ef27aa7f0c0
SHA1sum789ee18ee9659c87cfff304f69fd7ea4c205693b
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 4.2.10 Software Update

Fixes a security vulnerability with certificate validation.

Products compatible with this software update:

• iPhone 4 (CDMA model)

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222

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