Im using it since 5 months and found it did gives 3-4Mbps speed but only from 2AM to 8AM. And almost unusable during 11AM to 12PM. So I have to maintain another source to do my official stuff and important work. If you are good with the timings, go for it coz of 40GB of data. But you can only download stuff by leaving your PC turned on for whole night whenever you have to download something.
I tried to contact applet of MTS and they said it will take 4-5 weeks to fix this issue and they are saying it from 4 months now. So this what Im facing with this MTS plan. Ill definitely not recommend this to anyone who is looking for 24/7 connectivity solution.