So I just got my new Samsung Galaxy Note 2 a couple of days ago for Sprint, and I have noticed that my phone warms up pretty fast. When I am texting or on Facebook, Twitter, Instagram... etc, my phone gets pretty warm near the top, on both the front and back, within like 5 minutes. I'm not doing anything hardcore like gaming, just using social media apps; plus the brightness is on the lowest. And today I left my phone in my bag, didn't use it for about 45 minutes, and when I took it out it was pretty warm. My case is metal, so I was thinking maybe that could be the reason? When I charge it, it's fine, not too warm; it seems like only when I have my phone turned on that it heats up pretty fast. I was just wondering if any other people with the Note 2 experience this as well? Or should I take it to the Sprint store? Thanks!