Hey there!, living in model town lahore, i checked for 5g coverage area on zong app, there's a tower/areaMy phone setting show 5g connection preferredWill it work on my phone or what setting/updates i will have to apply/wait for?

Aoa, hope all members are doing well.I have s21 ultra official phone.Some time ago like 2 to 3 months back, i had battery issue, the diagnostic feature shows that my phone battery is weak and needs replacement.In Lahore where could i get it repaired...