Billing problems - a byword. At the time of MTS even made a free detail on their prepaid-rates (Jeans). Not out of altruism - where you saw altruism of the operators? - Exclusively for the elimination of the arisen at the time of the slogan "MTS Varus !!!". Discover Circuits settled down and seemed to successfully soothe even the most highly sensitive, but the origin of some of the figures can not always explain. With Beeline - their zamorochki: dvuhtsentovy "Barabashka" in online payments every month threatened to lock the phone.