iOS 4.3.1 (8G4) for iPad 1

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iPad 1

✗ 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 (593 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 iPad 1 in to your PC.
  3. Open Apple Devices, and navigate to your iPad 1.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad1,1_4.3.1_8G4_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 1 to reboot.

macOS

  1. Plug your iPad 1 in to your Mac.
  2. Navigate to your iPad 1 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad1,1_4.3.1_8G4_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 1 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 1 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 iPad1,1_4.3.1_8G4_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 1 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad1,1_4.3.1_8G4_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 6615b368d665630e80da975232567daf87a042b6. 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 iPad1,1_4.3.1_8G4_Restore.ipsw
  3. The output of the command should match the following checksum: 6615b368d665630e80da975232567daf87a042b6. 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 iPad1,1_4.3.1_8G4_Restore.ipsw
  3. The output of the command should match the following checksum: 6615b368d665630e80da975232567daf87a042b6. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum30af3b148d69148a85e57d605db3c6e4f0d4076f141d1668679c261ddaca2736
MD5sum30af3b148d69148a85e57d605db3c6e4f0d4076f141d1668679c261ddaca2736
SHA1sum6615b368d665630e80da975232567daf87a042b6
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 4.3.1 Software Update

This update contains improvements and other bug fixes including:

• Fixes an occasional graphics glitch on iPod touch (4th generation)

• Resolves bugs related to activating and connecting to some cellular networks

• Fixes image flicker when using Apple Digital AV Adapter with some TVs

• Resolves an issue authenticating with some enterprise web services

Products compatible with this software update:

• iPhone 4 (GSM model)

• iPhone 3GS

• iPad 2

• iPad

• iPod touch (4th generation)

• iPod touch (3rd generation)

This update contains security content originally included in previous iOS Software Updates. For more information, please visit this website:

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

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