Any tarnishing, you can double the data packet you wanted to buy with the imei below. What I'm saying is that if you buy 1.5GB per 1k you will get 1.5GB extra for free, which is the total of 3GB, if you buy 3.5GB by 2k, get an extra 3.5GB So is total of 7GB, if you buy 10GB for 5k you will get 10GB extra, making the total of 20GB etc. It is known that raw data of 100%.
All you need is to adjust your imei Android with any of the imei discussed below,
Once you have managed to adjust wait to receive a 100% bonus for 6 months, as shown in the screenshot below;
Change the last 3 or 4 digits, if the imei mentioned above does not give a positive answer.
After that, migrate to beta conversation by dialing * 123 * 2 * 6 # or text 131 BT.
Now subscribe to all the MTN data of your choice with * 131 * 1 # and give twice the data you have purchased.
Use * 559 * 2 # or 2-131 to check your balance data.
With this, you should have twice the purchase of valid data for 30 days.
Note that the double data offer will be the duration 6Mois,
Do not forget to leave your testimony, if the method works for you and remember to use the sharing buttons for the benefit of others.