that didn't have their keyboard break

. I did the DIY fix with duct tape and that only got me like 1 week longer for it's life, but now it's completely dead. now after I flash back to stock rom should I
A. Go directly to a Sprint Store (or Sprint repair center)
B. Call Sprint and activate TEP and then goto the Sprint Store (or Sprint Repair Center).
I'm wondering if since this is such a widespread problem if I will be needing to activate TEP first so they'll fix it or will they just do it anyway??
(naturally I took the duct tape and stuff out and reattached the ribbons)