Download iPadOS 12.3.1 (16F203) for iPad Air (Cellular)

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 iPad4,2
iPadOS Version 12.3.1
Release Date 2019-05-24
Update Date 2024-06-03
Sha1sum
789a65c50c81d0a7c9dd9565d04bd6c5b149d053
Sha256sum
71a8814be95410d979126d12341f40e2240c27749e571b6841d6123a164c955d
md5sum
70ec9da6447e1b48fc4f387736adc3bc
Size 2.75 GB
FileName
iPad_64bit_12.3.1_16F203_Restore.ipsw
Status

Download IPSW (2.75GB) Check device info
Release Notes

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

iOS 12 brings performance improvements and exciting new features to iPhone and iPad. Photos introduces new features to help you rediscover and share the photos in your library, Memoji—a new, more customizable Animoji—make Messages more expressive and fun, Screen Time helps you and your family understand and make the most of the time spent on devices, Siri Shortcuts deliver a faster way to get things done with the ability for any app to work with Siri, augmented reality becomes even more engaging with the ability for developers to create shared AR experiences, and new privacy features help protect you from being tracked on the web. This update introduces new features and improvements to:

Performance

Photos

Camera

Messages

Screen Time

Do Not Disturb

Notifications

Siri

Augmented Reality

Measure

Privacy and Security

Apple Books

Apple Music

Apple News

Stocks

Voice Memos

TV

Apple Podcasts

Accessibility

Other features and improvements

* Testing conducted by Apple in May 2018 using iPhone 6 Plus supporting normal peak performance, prerelease iOS 11.4, and prerelease iOS 12. Keyboard tested using Safari; Camera tested by swiping from the Lock screen. Performance varies based on specific configuration, content, battery health, usage, software versions, and other factors.

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

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

https://support.apple.com/kb/HT201222