Very good phone, nice features and wide screen . it uses GSM/HSPA/LTE technology, it has removable battery lion 300, sencors fingerprint, accelrometer, proximity and compass. this phone is great very good but not good loud speaker sound. it has nice hotspot, it enables doublle sim . very good for storage prospects also. it has 16 gb internal storage and can be extended by 64 gb .
and os is used anroid4.2.1