How to upgrade Android OS on Samsung Galaxy Note 2 from 4.3 to 4.4.2

[AC Question]

I need technical assistance upgradung my OS

 

[B. Diddy]

Welcome to Android Central! What's the exact model number? Are you certain there's an update for your variant? There are many different variants, and not all of them get the latest update. Check on SamMobile.com: https://www.sammobile.com/firmwares/