I've had the phone 3 months now...I've previously had an s8 and a note 9 so the bar was set high. The A50 though is an incredible phone. Breezes through everything I ask of it, browser is fantastic and I see little to no lag at all. Best of all the battery life is epic! Charged to 75% and 15 hours later still at 37%.
Great screen, the speaker is decent considering mono and no Dolby (Bluetooth Dolby though). Only thing it struggles a bit with is rise of kingdoms which is a big game and even then it's only when exiting and going to home screen, had the same thing with the s8.
I would recommend the phone, great value and in 3 months it's had 3 updates, that will likely change but Samsung are quick to fix bugs and keep refining the phone.