How To Subscribe To Glo 2GB, 6GB, 10GB, 12GB, 18GB, 24GB, 48GB

I will call this data war. All the four networks we know has revisited their data plans. It's been back to back from Mtn to Etisalat, Airtel to Glo. But i can see Glo leading with amazing data deal which i think many will port to. But the problem people are now talking about is their poor network and coverage. Slow in browsing and slow download speed. That's what is pushing people back from