The Blaze On app from Etisalat Nigeria, offers you unlimited download speeds compressed into a time frame that you have to purchase.
With four options:
1. N50 – 10mins
2. N70 – 15mins
3. N120 – 30mins
4. N200 – 1Hr
You have access to the Etisalat network to download as much as you want in your selected time period.
This service in only available in Nigeria. You can get the app here: https://goo.gl/FTEiCZ