I use idea celluler for internet this most popular server I have a v top up sim this idea v top up sim is very useful I can actually try . I have 56rs. 1gb data in mp this 3g and 4g network is so good I have actually try I can download a movie in 3minutes in 4g network and my nu. Is 70* 38 its 3g network speed 1.5mb per second in my mobile.