I have had my phone since march. I really like it but lately I have to restart it about once a week. Yesterday the battery got really hot and it kept showing resume on the screen. I turned it off and then back on and it was fine. Other times it acts like the back button is being pressed all the time, and sometimes the phone is just unresponsive to anything. Restarting it seems to fix it but only for a short time. Anyone else having this problem?