I am trying to upgrade so I will have the video capabilities. My desktop software says I have v 4.6. I've connected my phone to the computer and did the application loader but my phone still says it is v4.2.2.170.
Usually your carrier, if they have released it officially will provide a site to go to. If not, then search around here and folks ill tell you where to get a version that will work on your device. If you are not comfortable with your device yet, I would not attempt this with out doing some serious reading here and check the the 101 lectures in the newbie sections