Help with bass in mix. I'm trying to mix a live recording of my band which consists of a singer, guitarist, bassist and drummer. I have a nice mix on monitors and different head phones but when it's played through a cellphone speaker the bass pretty much disappears. This is a problem as it has a bass intro... I know I shouldn't mix for cell phone but also aware that for most new casual listeners that it will be their first impression. Any advice to better my situation?

Tl:dr, can't hear bass on phone, mix advice?