This one is that bad one network that I am using in greater noida which is knowlwdge park there is none networks available I have to do too much sacrifise just because of that I am using it , its speed of internet 4g is less then 3g actually bad then 3g in my room there is none networks avilable I cant can talk to someone at that time no one can contact me just because of no networs remove that sim from your phone right now