By the time we come up with hi - res audio quality and smartphones at the same time, the words come into our mind may may
well veer towards expensive earphones, portable music players and other accessories that will offer sounds as close to HiFi audio as possible.However, while smartphone makers have make great progress in perfecting camera technology, a few of them have
whopping sum of investment in offering hi - res audio quality to users without relying on expensive accessories to do the job.