I kall n4 4G tablet is very best tablet in cheap price a company given the great feature that it is 4G and other features is 16gb internal memory and 1gb ram 5 mega pixel rear camera 2 mega pixel front camera it has 1.3 ghz quad core processer the tablet has 7’ inches full capacitive touchscreen display which comes fit on your hand and this I kall n4 4G tablet runs on v6.0 marshmellow.