Apple iPad Air 3 (Cellular) iPadOS 17.5 IPSW firmware
Apple iPad Air 3 (Cellular)
Not signed
iPadOS 17.5
Build 21F79 For iPad11,4, J218AP
Global · IPSW
A newer version is available for this region: iPadOS 26.7.1
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
7.06 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- iPadOS 17.5
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.06 GB
- File name
iPad_Spring_2019_17.5_21F79_Restore.ipsw- MD5
b534f2129d51fc19cdb0df015d54bc7e- SHA-1
0fe74cee719752bd27091fb152e32317dd029c78- SHA-256
95f9d988e346c686a91520c20dadfa04a040c73edc04cfbdf2f9431b711ea592
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: iPad11,4, J218AP. 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