bridgeOS 4.4 (17P4538) for iBridge2,21

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iBridge2,21

✗ 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 (521 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 iBridge2,21 in to your PC.
  3. Open Apple Devices, and navigate to your iBridge2,21.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iBridge2,21 to reboot.

macOS

  1. Plug your iBridge2,21 in to your Mac.
  2. Navigate to your iBridge2,21 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iBridge2,21 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iBridge2,21 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 iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iBridge2,21 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: d27adc68d2e57f5da1e863f102faaa62c5b1411a. 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 iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw
  3. The output of the command should match the following checksum: d27adc68d2e57f5da1e863f102faaa62c5b1411a. 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 iBridge2,1,iBridge2,10,iBridge2,11,iBridge2,12,iBridge2,13,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,21,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_4.4_17P4538_Restore.ipsw
  3. The output of the command should match the following checksum: d27adc68d2e57f5da1e863f102faaa62c5b1411a. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum87a5bda842730a0a1047fc50a73bbecfe3c76bb367db63d64b1d6d2d8a3f1e85
MD5sum87a5bda842730a0a1047fc50a73bbecfe3c76bb367db63d64b1d6d2d8a3f1e85
SHA1sumd27adc68d2e57f5da1e863f102faaa62c5b1411a
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