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

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iPhone 4 (GSM)

✗ 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 (895 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 (GSM) in to your PC.
  3. Open Apple Devices, 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

SHA256sumfb327df2b74b7b8d1063de4d88dc91bbdfaa66dd8c06f01b1931903014588ffd
MD5sumfb327df2b74b7b8d1063de4d88dc91bbdfaa66dd8c06f01b1931903014588ffd
SHA1sumb62c043338898893c210bb81e608b4b099de7c5f
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 6.1.2

Fixes an Exchange calendar bug that could result in increased network activity and reduced battery life.

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

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

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