Apple iPad Air 5 (Cellular) iPadOS 17.5.1 IPSW firmware
Apple iPad Air 5 (Cellular)
Not signed
iPadOS 17.5.1
Build 21F90 For iPad13,17, J408AP
Global · IPSW
A newer version is available for this region: iPadOS 27.2 beta 4
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
7.12 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- iPadOS 17.5.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.12 GB
- File name
iPad_Spring_2022_17.5.1_21F90_Restore.ipsw- MD5
c1eb75b5f9052decf81b357894cda51b- SHA-1
58a7830a0e4aba3d7f75f4e2f7ec49209e654dce- SHA-256
b976ee550803cd95ade6a649642db6ced4d1edb4d13b76ecf78a65d39830e0ad
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: iPad13,17, J408AP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file