Sony India — got bad experience

Address:

Coimbatore, Tamil Nadu

hi, i am using sony xperia miro ST23i. i really got bad experience while using browsing internet, making calls, and playing games. 1. getting too hot while speaking or using mobile 2. always hanging while making calls and opening contacts 3. suddenly getting off and on without touch my phone 4. speaker volume also not much 5. very high service cost 6. camara is good but all the process are hanging. but more than 150 mb is empty in my phone. i don't have further idea to buy new mobile in sony. really its very bad experience with sony. i was using nokia 5230 smartphone. that was so nice to use. but i brought this for android and goodname to sony in market. i planned to sell my sony mobile. i am not abusing sony. its my experience by this mobile. my money totaly wasted by this mobile.