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iPhone 3G

iPhoneOS 2.2 (5G77) for iPhone 3G

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

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Download (258 MB)

✗ 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 3G in to your PC.
  3. Open iTunes, and navigate to your iPhone 3G.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone1,2_2.2_5G77_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 3G to reboot.

macOS

  1. Plug your iPhone 3G in to your Mac.
  2. Navigate to your iPhone 3G in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone1,2_2.2_5G77_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 3G to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 3G 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 iPhone1,2_2.2_5G77_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 3G to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone1,2_2.2_5G77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: f67f8b2b842428bf89456cda0c2d5cf954d111a4. 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 iPhone1,2_2.2_5G77_Restore.ipsw
  3. The output of the command should match the following checksum: f67f8b2b842428bf89456cda0c2d5cf954d111a4. 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 iPhone1,2_2.2_5G77_Restore.ipsw
  3. The output of the command should match the following checksum: f67f8b2b842428bf89456cda0c2d5cf954d111a4. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum a0204ff695b9d916b33d21a9a220379c690c3bb63895817577395100fadb8289
MD5sum fd33b6f92a6b5bc3dd0fa40b39a40c0c
SHA1sum f67f8b2b842428bf89456cda0c2d5cf954d111a4
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