You are not the first to feel that way, but there’s also plenty of users (like me) who are very happy with their FP2.
Since this has been discussed before, I could imagine that many users may only have limited interest to repeat their statements, but you will also find answers to your question here:
or here
But to wrap up my opinion: If the possible solutions for your problems that you can find here in the forum did not help you, send in your phone and get it fixed. You have a 2 year warranty after all! Take advantage of it, in case you got a faulty device.