Download iPadOS 9.3 (13E237) for iPad Air (WiFi)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPad4,1
iPadOS Version 9.3
Release Date 2016-03-28
Update Date 2016-03-25
Sha1sum
515e3735d622d34f0f08abb8c32f39b270fa4c1d
Sha256sum
fdf1a9bb4ec0242a3cb5ca92716db93e60a9da7e5881a55e3ada04a36171d61e
md5sum
9a03b60aea20b6cff230359736e31925
Size 1.83 GB
FileName
iPad4,1_9.3_13E237_Restore.ipsw
Status

Download IPSW (1.83GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

With this update your iPhone, iPad and iPod touch gain improvements to Notes, News, Health, Apple Music and a new feature called Night Shift that may even help you get a better night’s sleep by shifting the colors in your display to the warmer end of the spectrum at night. New features, improvements, and bug fixes include:

Night Shift

Notes improvements

News improvements

Health improvements

Apple Music improvements

Photos improvements

iBooks improvements

Education improvements

CarPlay improvements

Dolby Digital Plus

Hardware keyboard improvements and fixes

Other improvements

Enterprise bug fixes

Accessibility bug fixes

Other bug fixes, performance and stability improvements

Some features may not be available for all countries or all areas, for more information visit: http://www.apple.com/ios/feature-availability and http://www.apple.com/ios/updates/

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

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