iOS 4.3.1 (8G4) for iPad 2 (CDMA)

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iPad 2 (CDMA)

✗ 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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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 2 (CDMA) in to your PC.
  3. Open Apple Devices, and navigate to your iPad 2 (CDMA).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad2,3_4.3.1_8G4_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 2 (CDMA) to reboot.

macOS

  1. Plug your iPad 2 (CDMA) in to your Mac.
  2. Navigate to your iPad 2 (CDMA) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad2,3_4.3.1_8G4_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 2 (CDMA) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 2 (CDMA) 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 iPad2,3_4.3.1_8G4_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 2 (CDMA) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad2,3_4.3.1_8G4_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 1903162ce3ffa9725304eb78275583977d1808cc. 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 iPad2,3_4.3.1_8G4_Restore.ipsw
  3. The output of the command should match the following checksum: 1903162ce3ffa9725304eb78275583977d1808cc. 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 iPad2,3_4.3.1_8G4_Restore.ipsw
  3. The output of the command should match the following checksum: 1903162ce3ffa9725304eb78275583977d1808cc. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum8ebf7f35b2c44213e6e40b076313094e45ff098f0f28936928dcc18fa1195c40
MD5sum8ebf7f35b2c44213e6e40b076313094e45ff098f0f28936928dcc18fa1195c40
SHA1sum1903162ce3ffa9725304eb78275583977d1808cc
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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