Samsung On 7 is a very spectacular mobile and I have been using it for the past 1 year but I have not had any problem in it yet. I will request you if you want to buy a strong phone, then Samsung On 7 is a very great option. Who will give you strength.
This phone is not hang and a very smart response is received from this phone and I will ask you that it is such a good phone that you can not think about it