T-Mobile offers the Samsung Galaxy Core Prime 4G LTE Prepaid Smartphone
, model no. SM-G360TZWATMB, bundled with a T-Mobile $40 Refill Card
and a T-Mobile SIM Starter Kit
with free shipping
. It features a 1.2-GHz quad-core processor, 4.5" 800x480 touchscreen, 5-megapixel camera, 2-megapixel front camera, 8GB internal memory, 802.11n wireless, Bluetooth 4.1, microSD slot, and Android 5.1 (Lollipop). Deal ends April 30.