THE BEST GSM NETWORK

Hi dear friends, I need your assistance in my study.
I am currently conducting a research to determint the best GSM company in Nigeria. This research will be a quarterly exercise.
I need you to help me by supplying or nominating your best company under named categories of your choice and interest.
For example, here is my own vote;
Tarriff-GLO
Internet-GLO
Freebies-etisalat
Intercommectivity-MTN
I am counting on you all for your support.
NOTE: you can vote as many times as possible.