Default [Q]Help HTC Sensation XL

Hi all guys! I was looked at forum and i wasn't see my problem so i decide to post here Ok so i just get HTC Sensation XL. I was stay at phone 2 days to see what pretty cool phone is , but wasn't . I don't know what problem have this phone , just running slow some times and i gost stock on screen fore few seconds "10-15-20 seconds whatever phone wan't move he's ass .." i was get back to factory settings 3 times and no change's.. So you guys can help me ? If someone have this same problem and he solved please reply here how thx .

Beats audio X315e , Android 4.0.3