"Payment still declined"

Ethan Kemper wrote:

When I try to pay for spotify on google play it said for me to verify my account then it said "payment still declined" what do I do?

What method of payment are you trying to use?  If you are trying to bill your purchase to your T-Mobile account.  You need to make sure this is enabled on your account.  Give Customer Care a call or reach out to T-Mobile via DM on Facebook or Twitter to see if this is an option for your service.