Opening or changing the battery cover on Nokia Lumia 820 can be a bit tricky if you don't know where to begin. Let me show you the easiest way without doing any damage.
If you don't like Google following your searches or you simply want to check how some search keywords rank on Google without the need to clear your cache and log off from Google account, then this is for you.
If you are using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.
