idk if its a weird mode the phone is set in but all of a sudden today i've noticed a few random things happen... 1. the Home button won't work, it vibrates but does nothing when pressed 2. I have no unlock screen, when i press the power button it just brings me right to where i left off. 3. My ringtones were all set to silent 4. when i hold the power button the only option i have now is to turn the screen off. hopefully you guys can help everyrthing that happened is quite annoying. thanks!