Aside from MTN and Airtel double data bonuses, there is also Glo and 9Mobile double data offers which are relatively unknown to some people but after reading this post, you can now activate, subscribe and use them on your phone. Interestingly, when any of these plans are successfully activated, you can use it with an android phone, tablet, dongle, mifi, modem, Symbian, java, blackberry etc. See the guidelines on how to get them activated below.

1. HOW TO ACTIVATE MTN 100% DOUBLE DATA OFFER

✔ 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 that, it depends on eligibility.
✔️ Now, dial *131# and purchase any data plan from the list and your data will be doubled.

✔️ To check your data balance dial *131*4# and enjoy!

2. HOW TO ACTIVATE AIRTEL 100% DOUBLE DATA OFFER

✔ 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.
✔️ To check your data balance, dial *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.

✔️ But if you weren’t given the double data bonus on Airtel, you can check this trick here

3. HOW TO ACTIVATE GLO 100% DOUBLE DATA OFFER

✔ 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# and enjoy!

4. HOW TO ACTIVATE 9MOBILE 100% DOUBLE DATA OFFER

✔ 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 *244*1# 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.
To check your data balance, dial *228# and enjoy!

NOTE: Most of the bonuses valid for 6 months. Meaning after activating and usibg them for the period of 6 months, you won’t be able to enjoy it again. This happens on MTN and Airtel. At least I have confirmed the two networks. Others yet to be confirmed.