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iPhone 4 (GSM)

iOS 6.1.2 (10B146) for iPhone 4 (GSM)

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

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✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 4 (GSM) in to your PC.
  3. Open iTunes, and navigate to your iPhone 4 (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone3,1_6.1.2_10B146_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 4 (GSM) to reboot.

macOS

  1. Plug your iPhone 4 (GSM) in to your Mac.
  2. Navigate to your iPhone 4 (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone3,1_6.1.2_10B146_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 4 (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 4 (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 iPhone3,1_6.1.2_10B146_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 4 (GSM) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone3,1_6.1.2_10B146_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: b62c043338898893c210bb81e608b4b099de7c5f. 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 iPhone3,1_6.1.2_10B146_Restore.ipsw
  3. The output of the command should match the following checksum: b62c043338898893c210bb81e608b4b099de7c5f. 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 iPhone3,1_6.1.2_10B146_Restore.ipsw
  3. The output of the command should match the following checksum: b62c043338898893c210bb81e608b4b099de7c5f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum fb327df2b74b7b8d1063de4d88dc91bbdfaa66dd8c06f01b1931903014588ffd
MD5sum 65c85f58df8bb68b00aebdc46081248c
SHA1sum b62c043338898893c210bb81e608b4b099de7c5f
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