You can stay live and stay connected with Etisalat EazyBlaze Data plans. Apart from the Etisalat 1gb data plan, there are other packages which include the : Etisalat 10mb plan and the Etisalat 2gb data plan. Subscribing to either of those plans is quite easy. All you need to do is to load Etisalat airtime on your line and dial the code for the Etisalat subscription you want to buy.
Etisalat 10MB Data Plan

This plan is a daily plan that expires by midnight, same day you subscribe to it. It costs just 100 Naira i.e you must have at least 100 Naira Etisalat credit on your line before you can subscribe to this plan. You will get 10 megabytes for internet browsing, whatsapp etc.
http://www.techizo.com/etisalat-2gb-10mb-data-subscription-plan-code/