I just bought a NIB iPhone SE, 32 GB (Space Gray) for $49 with port in (from AT&T Prepaid) at MetroPCS.
*I signed up for the $30/month plan.
*No activation fee or fee for in store payment were charged.
*I was told this is very YMMV. I bought this in the Boston, MA area.
*OTD for the phone, plan and taxes was $91.44.
*MetroPCS unlocks their devices after 3 months.
Metro iPhone SE automatically unlocked after 90 days.
No call in needed; tested with both Cricket and Vodafone SIMs.
Per coloradoman, deal is alive again.
$149-$100 with port in = $49.