T-Mobile is offering a $25 refill card with all prepaid phone purchases for FREE. The Nokia 1661 Prepaid Cell Phone is only $19.99 with Free Overnight Shipping. This is dual-band GSM phone that features an integrated FM radio, speakerphone, 2.9-oz. net weight, and up to four hours of talk time. There are also a host of other prepaid cell phones to choose from that are reasonably priced. This is a limited time offer.