E 75 nokia

Hello i have a nokia e 75 and i have some diferetn problems
1.near the batery always is pulsin a message alert i dont have any sms in my inbox i have all cleared no emails no everything?
2. the camera of e 75 is very clean but mine is not is like 1 mpixel but mine ise 3.2 i dont now what is wrong
3.the most importan is then when i speak with another person he canot hear my hi says you look like you are fare from the phone he canot hear my can anybody help my ???? thenk you