Nigerian state's government insists it is not postponing a plan to tear down ageing infrastructure.
Documents detail proceedings of how the controversial network contract was assigned.
Glo's Bumpa promotion offers customers a recharge bonus, flat rate per SMS to all networks and free night calls.
Telecoms watchdog looks to Facebook, Twitter to gather communication on operator problems.
This is according to a report from Frost & Sullivan that has also studied Rwanda.
Dr. Eugene Juwah issues warning to networks that are reluctant in helping subscribers port numbers.
More than 50 specialists from West African nation’s major telecommunications firms have signed up.