I have the t-mobile note 2 but i don't think that matters. So I turned off my phone last night to charge it faster. When I turned it back on, the back and menu capacitive buttons no longer vibrate when pressed, and ky favorite game I've been playing non-stop for days, jetpack joyride, is a little laggy. I've restarted the phone several times to try to fix the issue. Any ideas? Thanks.