iOS 4.3.5 (8L1) 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_4.3.5_8L1_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_4.3.5_8L1_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_4.3.5_8L1_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_4.3.5_8L1_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 66a114630a457dea3565cf99b9285b2fe3d56d62. 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_4.3.5_8L1_Restore.ipsw
  3. The output of the command should match the following checksum: 66a114630a457dea3565cf99b9285b2fe3d56d62. 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_4.3.5_8L1_Restore.ipsw
  3. The output of the command should match the following checksum: 66a114630a457dea3565cf99b9285b2fe3d56d62. If it doesn't, you may need to redownload the file.

Checksums

SHA256sume9af39ad7c8c1c06816abab97824b01071ab46a5f745c4b8980a09127b7b9e55
MD5sume9af39ad7c8c1c06816abab97824b01071ab46a5f745c4b8980a09127b7b9e55
SHA1sum66a114630a457dea3565cf99b9285b2fe3d56d62
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 4.3.5 Software Update

Fixes a security vulnerability with certificate validation.

Products compatible with this software update:

• iPhone 4 (GSM model)

• iPhone 3GS

• iPad 2

• iPad

• iPod touch (4th generation)

• iPod touch (3rd generation)

For information on the security content of this update, please visit this website:

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

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