I have the galaxy s6 and I'm with immobile
I had it for three years and I want to upgrade but t-mobile is not worth it I know sprint has deals
Whoever I was wondering if I switch do I have to pay my t-mobile before I switch even though it's not due on the first
I own the phone btw
Read more: https://samsungus.org/qa/s6/i-want-to-switch-from-t-mobile-to-sprint.html