The software updates for older iPhone and iPad devices include bug fixes and are not expected to include any major new features or changes. I still have mine iPad 2 with me, it works half the time due to its old tech. This wikiHow teaches you how to update the system software on your iPad using Software Update on the iPad or iTunes on your desktop. Yes, you should update.

Installing iOS 10.3.4 / iOS 9.3.6 If you’re on an eligible device, you can install the latest software update by going to Settings > General > Software Update How to Update to iOS 10 via iTunes. Coming to the point, NO!
Apple is hard on older devices. How to Downgrade to an Older Version of iOS on an iPhone or iPad. Back up your iPad. But you may want to go back to an older operating system. 1. iOS 12 supports devise going all the way back to the iPhone 5S and iPad Air, both released at the end of 2013. You can either do that over WiFi: Go to Settings > General, then tap Software Update. The latest verion of iOS the first generation iPad Air supports is iOS 12.4.6. Attach your iPad to your Mac or PC via USB, open iTunes and click on the iPad in the top left corner. We're fine with an iOS 9 platform, but we want to make sure the iPad will still be able to keep up with that platform and still work efficiently and be compatible with apps. Chris Hoffman @chrisbhoffman Updated July 3, 2017, 10:31pm EDT. Apple wants to keep your iPhone and iPad up-to-date.

Learn how to update your iPhone, iPad or iPod touch to the latest version of iOS or iPadOS — wirelessly or using your computer. You cannot update your iPad by jailbreaking or without jailbreaking. 2. There is no doubt that you love your iPad. This is especially true if you’re trying out a beta version of iOS on your iPhone or iPad. Below is the highest versions of iOS available for some of older iOS devices: iPhone 4: iOS 7.1.2; iPhone 4S, iPod Touch 5, iPad 2, iPad 3, iPad Mini 1: iOS 9.3.5; iPhone 5, iPhone 5C, iPad 4: iOS 10.3.3; iPad 1, iPod Touch 3: iOS 5.1.1; However you may be still able to download the last compatible version. How to Update iOS Software on an iPad.