The double data bonus doesn’t zap, it works perfectly on any type of phone that can access the internet e.g Android, iOS, tablet, desktop/PC and among others.
If you are the type that download heavily in both night and day, you will find this article very helpful for your day-to-day activities and internet life.
Normally, you receive the bonus offer automatically from MTN but if you haven’t received the message, you can send
DOUBLE , PROMO and FREE to
131 as text message.
When you get reply, you can then recharge and get your double data offer activated.
Note: it depends on eligibility.
Now, dial 131# and purchase any data plan from the list and your data will be doubled.
Remember to check your data balance by dialling *1314#.
Airtel double data doesn’t base on eligibility. You can dial *144# and purchase any of the applicable data plans.
Immediately, the purchased data will be doubled.
Remember to check your data balance by dialling *140# and note that the double data offer lasts for 6 months but your purchased validity period based on the type of data plan you bought.
Glo 100% double data doesn’t based on eligibility i.e it can be enjoyed by all Glo subscribers. Even new and existing customers are eligible.
Firstly, buy any Glo official data plan by dialling *777# and leave the auto-renewal.
Once your previous purchased data finishes, the next data plan that will be auto-renewed, will be doubled automatically.
Remember to always check your data balance by dialling
127 0#
The double data bonus offer of 9mobile doesn’t base on eligibility but on tariff plan. If you are using 9mobile network, you can migrate to Morecliq tariff plan by dialling
2441# to enjoy the offer.
After successful migration, dial
*545# and activate the 100% double data offer.
Now, subscribe to any 9mobile data plan and it will be doubled immediately.
Remember to check your data balance by dialling *228#.

Source: http://www.techky.ml/telecoms/how-to-get-100-bonus-data-on-all-nigerian-networks/