It would be a big mistake to talk about best budget smartphones without mentioning Xiaomi Redmi 2 Prime. The phone sports a 4.7-inch IPS LCD multi touch display with a resolution of 720 x 1,280 pixels (312ppi). With a 1.2GHz quad-core processor assisted by 2GB of RAM, the phone will offer a powerful and smooth performance. As for other Xiaomi Redmi 2 Prime specs, there is an 8MP autofocus camera on the back and a 2MP snapper on the front. For storage purpose, this Xiaomi device comes with an internal memory of 16GB (32GB expandable). Redmi 2 Prime is fuelled by a 2,200 mAh battery. Xiaomi Redmi 2 Prime price is about $105.