How to update Sony Xperia Z for Lollipop

update Sony Xperia
update Sony Xperia.
All phone in Sony Xperia Z series got Lollipop update through OTA. If you are using Sony Xperia Z, Sony Xperia Z ultra magnet or Sony Xperia ZII, then you can get Android Lollipop update directly from Sony by go to Setting>About>System update. You need to make sure before start updating Sony Xperia Z phone, your phone have minimum 1GB of free ROM memory. For Sony Xperia Z3, you don't need update because Xperia Z3 comes with latest version of Android Lollipop 5.1 original update. However you need to charging up phone 100% before go to start update Sony Xperia Z phone to latest  Lollipop update.

Sony Xperia Z3
Sony Xperia Z3.