15 by MTS network I used it 3 months and then it down on my area I have lost my mobile balance of rupees 148 so I didn't recommend it to buy MTS mobile operator its charges is good than other mobile operator but network problem a very big condition if you buy MTS network then please first know about how to use in your area is these a big network or not so I tell you please get detail MTS mobile network before you buy it thank you
