iPad latest software version

The maximum iOS version for an iPad 1 is 5.1.1.

The maximum iOS version for an iPad 2 or 3, or a first generation iPad mini, is 9.3.5.

The maximum iOS version for an iPad 4 is 10.3.3.

Otherwise, currently 12.3.1.

If you don't know which model you have, click here.

(172092)

https://www.computerworld.com/article/3282811/which-iphones-ipads-support-apples-ios-12.html

You can see the max/current iOS version for every Apple device at https://everyi.com/by-capability/maximum-supported-ios-version-for-ipod-iphone-ipad.html