Sony M is best sound and very clear sound it is best for use very best style & design many features is best and many low qulity 10 and more features is best this phone style is very best for boys and I have 2 phone and they is very best love money and best features very best camera and new icons low money cost and very best this is my fevoret smartphone ever cool phone and old is gold phone a phone stand 3 year and more with any problems