Recently i noticed that when i try to start My Galaxy app it says there is a update. But when i try to update, it fails.. Any solution ? It's been few weeks now..Thanks

Hello Samsung family.. I'm Imesh.. Recently  bought M20 so far really enjoying it. I was wondering if anyone tried connecting an External DAC to M20 ? Also does anyone know any information about DAC that M20 comes with for 3.5mm audio output ? It has...