how do i set up a signiture using test message on my samsung G6

try to set up my signature using text message

how do i set up a signature using test message on my Samsung G6

Welcome to Android Central! Which S6 model do you have? Is it from a specific carrier, or did you get it unlocked? I ask because it sounds like the AT&T version doesn't have the option, but the Sprint version might: https://community.sprint.com/t5/Sams...ges/td-p/16984