The Samsung Galaxy On 7 Pro is average at best, and does little to differentiate itself from the competition. There are far better options in the form of the Moto G4 or the Xiaomi Redmi Note 3.
Awesome phone mine blowing I love it verry fast working with 2 gb ram and 16 gb memory awesome 5.5 display best rear camera 13 mp. and front is also good 5mp. overall phone is awesome just go for it.
removable battery and yes you can use two sim cards and msd card simultaneously, over all good mobile, decent battery backup and no overheating/freezing, Good camera and voLTE enabled : )