Walmart offers the Alcatel OneTouch Popstar LTE Prepaid Android Smartphone for Straight Talk in Black, model no. A845L, for $19.88. Opt for in-store pickup to dodge the $4.97 shipping charge. That's $40 under our October mention and the lowest total price we've seen. It features a 4" 800x480 display, 1.2GHz quad-core processor, 1GB RAM, 4GB internal storage, 5-megapixel front-facing camera, Bluetooth 4.0, 802.11n wireless, GPS, and Android 4.3 (Ice Cream Sandwich).