With just N200 you will be able to get 400MB valid for 3 days. With just N500, you\u2019ll get 1.5GB data valid for 30 days. N1,000 will give you 3GB, N2,000 will give you 7GB data for a month (30 days) and finally, N2,500 for 10GB valid for a month. How you can Activate Airtel Double Data Plans? To activate, dial *144# and you will receive a successful or congratulations message. Then, list of data plans will be available for you, kindly purchase any data plan from that list and check your data balance by dialling *140#. You will receive a successful message as below Congratulations. You have received FREE 100% Data bonus. Dial *140# to check data balance. Free data is available every 6 months.