How do I update my i Phone and i Pad to the latest public version of i OS - i OS 9.3.4?
And how can I get i OS 10 right now, ahead of its official launch?
Finally, are my i Phone and i Pad fast enough to run i OS 9 without slowing down?
Then i OS 10 was unveiled a year later, at WWDC 2016.
You've probably got three questions: can I make the upgrade.
We'll address these questions in that order in our complete guide to i OS upgrades.
We've also got details on how to install i OS 9's subsequent updates including i OS 9.3.4, how to install the beta version of i OS 10, and whether you should let Apple update your i Phone for you overnight.
Downloading the beta version of i OS 10 is more complicated, however. We explain which devices are compatible with the latest update, whether it's a good idea to make the update, and how to go about updating your i Phone or i Pad to the latest software, whether you go for i OS 9.3.4 or the i OS 10 beta.
Oh, and if you do change your mind afterwards, you'll need our guide to removing i OS 10 and going back to i OS 9.Read next: Best i Pad buying guide | How to set up a new i Pad | How to speed up a slow i Pad | Which i Pad do I have?| i Pad reviews i OS 9, the operating system software for i Pad, i Phone and i Pod touch, was unveiled during WWDC 2015 in June 2015 and finally became available to all on 16 September 2015.Sections in this article: One available version of i OS 10 is the developer preview.This is basically a pre-release beta testing version, but Apple calls it the developer preview beta to distinguish it from the public beta which is much more polished and became available to non-developers on 8 July.To start the process of downloading and installing i OS 10, you'll need to sign up to the Apple Beta Software Program and then enroll your device.