BLU Win JR LTE official Pictures. BLU Win JR LTE is a Smartphone of blu. The BLU Win JR LTE Windows Mobile Smartphone. Announced Apr 2015. Features 4.5″ Display, Snapdragon 410 Chipset, 5 MP Primary Camera, 2000 MAh Battery, 4 GB Storage, 512 MB RAM. BLU Win JR LTE price starts.