In m30s picture always not sharpan. Specially in person photo. And no detail on face. Samsung please fix this isuue asap. Also low speed of auto focusing.
first take phone into any 4g volte supported phone and call to activate volte. they raise your request. now take your sim in m30s and after 24 hours volte is on in m30s. I have also try and now vi volte run on my phone.