iPhoneOS 1.0 (1A543a) 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 (91 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_1.0_1A543a_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_1.0_1A543a_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_1.0_1A543a_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_1.0_1A543a_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: fb8bb3ee2e9a997affbb97868599f2995c78209c. 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_1.0_1A543a_Restore.ipsw
  3. The output of the command should match the following checksum: fb8bb3ee2e9a997affbb97868599f2995c78209c. 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_1.0_1A543a_Restore.ipsw
  3. The output of the command should match the following checksum: fb8bb3ee2e9a997affbb97868599f2995c78209c. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum468d8b10061642b32f79046d6266a775cb26f02879839d8d445bdec82085c51a
MD5sum468d8b10061642b32f79046d6266a775cb26f02879839d8d445bdec82085c51a
SHA1sumfb8bb3ee2e9a997affbb97868599f2995c78209c
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iPhone Software

Version 1.0

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

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