t-mobile.com. This time it's a free $50 card (a $30 card is the norm). However to get the free card this time you need to buy a phone priced at $100 or more.
There are five prepaid phones that cost $100 or more on t-mobile.com. They are all smartphones:
$100.00 - Refurbished T-Mobile (Huawei) Android phone
$119.99 - Refurbished LG Optimus T Android phone
$149.99 - New LG Optimus T Android phone
$187.49 - New BlackBerry Curve 8520
$349.99 - Refurbished Samsung Galaxy S 4G Android phone
T-Mobile's free refill deals are "Limited Time Offers". They typically only last for a couple of days. So if you want to save $50 bucks on a prepaid smartphone, don't delay
Aug 6, 2011 - This deal has expired.