iPadOS 17.1 (21B74) for iPad Air 4 (Cellular)
✗ 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 (6.9 GiB)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
- Install the latest version of Apple Devices from the Microsoft Store.
- Plug your iPad Air 4 (Cellular) in to your PC.
- Open Apple Devices, and navigate to your iPad Air 4 (Cellular).
- Hold the Shift key on your keyboard, and press "Restore".
- Select the
iPad_Fall_2020_17.1_21B74_Restore.ipswfile that you downloaded. - Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.
macOS
- Plug your iPad Air 4 (Cellular) in to your Mac.
- Navigate to your iPad Air 4 (Cellular) in Finder.
- Hold the Option or Alt key on your keyboard, and press "Restore".
- Select the
iPad_Fall_2020_17.1_21B74_Restore.ipswfile that you downloaded. - Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.
Linux
- Install idevicerestore.
- Plug your iPad Air 4 (Cellular) in to your PC.
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads - To perform a full erase restore, type
idevicerestore -e iPad_Fall_2020_17.1_21B74_Restore.ipswand press enter. - Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.
Windows
- Open PowerShell, and navigate to the IPSW file that you downloaded, e.g.
cd Downloads - Type
Get-FileHash iPad_Fall_2020_17.1_21B74_Restore.ipsw -Algorithm SHA1 - The output of the command should match the following checksum:
9786da749e89638078687f15d4b030695e01a62b. If it doesn't, you may need to redownload the file.
macOS
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads - Type
openssl sha1 iPad_Fall_2020_17.1_21B74_Restore.ipsw - The output of the command should match the following checksum:
9786da749e89638078687f15d4b030695e01a62b. If it doesn't, you may need to redownload the file.
Linux
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads - Type
openssl sha1 iPad_Fall_2020_17.1_21B74_Restore.ipsw - The output of the command should match the following checksum:
9786da749e89638078687f15d4b030695e01a62b. If it doesn't, you may need to redownload the file.
Checksums
| SHA256sum | a04e548afa8b9e43e60f77728715405d550b0286edf57dfc717329ab4dfa984a |
|---|---|
| MD5sum | a04e548afa8b9e43e60f77728715405d550b0286edf57dfc717329ab4dfa984a |
| SHA1sum | 9786da749e89638078687f15d4b030695e01a62b |
AirDrop
Content continues to transfer over the internet when you step out of AirDrop range
Music
Favorites expanded to include songs, albums, and playlists, and you can filter to display your favorites in the library
New cover art collection offers designs that change colors to reflect the music in your playlist
Song suggestions appear at the bottom of every playlist, making it easy to add music that matches the vibe of your playlist
Apple Pencil
Support for Apple Pencil (USB-C)
This update also includes the following improvements and bug fixes:
Option to choose a specific album to use with Photo Shuffle on the Lock Screen
Home key support for Matter locks
Improved reliability of Screen Time settings syncing across devices
Fixes an issue that may cause the keyboard to be less responsive
Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: