Airtel Nigeria internet service rocks in Nigeria. Just like 9mobile, the network offers one of the most cheapest data plans in the country.
It falls on the third most preferred network in Nigeria after MTN, and 9mobile.
How to get 1GB with just N350 on Airtel:
After loading N350 airtime, simply dial *141*354#.
Note: This plan is valid for (1 day). To check for data balance, dial *140#. Also, to check for other cheap plans, use *141#.