On my note 2 running 4.1.2 when its locked and I wish to unlock it (no lock codes, pattern etc) and I swipe across the screen, it kind of lags when it unlocks. I know it's not that big of an issue but well it's got a quad core I don't see how it could lag by simply unlocking the phone. Usually the ram usage is hovering around the 1 gb mark. I try to clear the memory at any time. Which leads to my second question, without rooting, is there a way to really limit the usage of ram, at times it jumps to 1.3 gb. Is this normal?