Sony xperia sp is simply too good wich is have lighting down in phone and its based on music its blinking like disco and camera supperb no word just I can say wow only drawback is internal memory have 8 gb many optikns like more and more since 3 years.
I am using sony sp but still I dint get any problem its going good and smooth I like it that product I suggest to all use sony products and its tok expence if reduce mean too good for each and evey people sp desion and model superb and excelent j love product.