Android phone rugged smartphone dual sim phone 4g smartphone display size 47 inch display resolution 1280 x 720 pixels display resolution hd display type lcd touchscreen capacitive display material gorilla glass ram 1 gb internal memory gb 8 gb max memory expansion 64 gb processor core 2 cpu clock speed 17 ghz sim card nano sim memory cards microsd microsdhc microsdxc available operating system android 44 kitkat input method keyboard virt