Why Samsung, why??? Why have you removed those knob equalizer......that was very good and useful feature in galaxy a50. I love everything in this phone except the sound quality... Please improve the sound output quality via OTA......please...please.

First of all, music quality is worse than my old redmi note 4, and the bass booster knob feature is also removed after the march update. Now sound quality is worse than ever. Bring it back Samsung.   Second, no app locker, and the secure folder is no...