iPhoneOS 1.1.2 (3B48b) for iPhone 2G

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iPhone 2G

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

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Download (160 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 2G in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 2G.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone1,1_1.1.2_3B48b_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 2G to reboot.

macOS

  1. Plug your iPhone 2G in to your Mac.
  2. Navigate to your iPhone 2G in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone1,1_1.1.2_3B48b_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 2G to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 2G 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 iPhone1,1_1.1.2_3B48b_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 2G to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone1,1_1.1.2_3B48b_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 797c02e7d660940e8d9a16cc7229ccf3f67dd8b1. 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 iPhone1,1_1.1.2_3B48b_Restore.ipsw
  3. The output of the command should match the following checksum: 797c02e7d660940e8d9a16cc7229ccf3f67dd8b1. 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 iPhone1,1_1.1.2_3B48b_Restore.ipsw
  3. The output of the command should match the following checksum: 797c02e7d660940e8d9a16cc7229ccf3f67dd8b1. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum675f1f48103e98ea915e7c13b4e8232775c8bde9efd2a4e12b753e8a0f7d2b3e
MD5sum675f1f48103e98ea915e7c13b4e8232775c8bde9efd2a4e12b753e8a0f7d2b3e
SHA1sum797c02e7d660940e8d9a16cc7229ccf3f67dd8b1
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iPhone Software

Version 1.1.2

This version of the software includes additional new features, bug fixes and supersedes all previous versions. 

For feature descriptions and complete instructions, see the users guide for your iPhone at:

http://www.apple.com/support/manuals/iphone

For more information about iPhone, go to:

http://www.apple.com/iphone

To troubleshoot your iPhone, or to view additional support information go to:

http://www.apple.com/support/iphone

For detailed information on Security Updates, please visit this website:

http://www.info.apple.com/kbnum/n61798

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