Mtn have finally released a family mtn offers for their customers so with this, you will be able to get data bonus of all your data purchase.
Buy 1.5gb for 1k and get 3GB free
So this offers are not for everyone, is for phantom 5 users only so you have to tweak your Imei to phantom 5 then you will get your data valid for 6months.
This is the Imei below;
You can use any amount for it and get your data bonus. So that's all!