What can I do to have a network connection on my phone?

My names are, IGWE PAUL Ogbonna I am a native of Ukawu in Onicha LGA of Ebony state Nigeria. I would like MTN to install their mast in my plot of land in Ochege Amankpuma...

When I click on the app, it says " please turn off your wfi connection and use MTN mobile Internet to access your account " I had no wfi connected and my mtn sim is connected...