The brand I phone 4s. I used this phone this phone is the best phone as compared to the other phones so I suggest you to buy this phone.
the best quality of this phone is that its body and shape is in that type that if it is dig from hand its body is very hard and cannot broken its priceb is something hard.
its touch is very reliable
its battery timing is very good
its internet n speed is very good
And the chance of viruses is very low because Iphone has no external memory card its internal memory is enough.