Hi friends few years ago I was using mts mobile and it.was fine in city because of some training purpose I was going out of city one day when I was out of city I got my bike puncher on the way and I was trying to call my father and friends but signals were not there I struggeld more that 3 hrs for signals did even I get 1 bar and finally it was night so I stop on of the person on the way and took his mobile and made call to my friend and he was in front of me with in 45 minutes with auto and I reached my home so friends be careful.