I use a ZTE smartphone but I only use steemit on my laptop.
I see you don’t have a Steemit Profile Picture I made a contest post on the bottom is link that will teach you, then after you make yours feel free to enter the contest to create mine. here https://steemit.com/contest/@isteemithard/design-isteemithard-a-profile-picture-avatar-contest-12-winner-of-11