AIRTEL users, Here is a good news for you guys!! AIRTEL Nigeria
has just introduced weekend data bundle capped at 1024mb (1GB) for
just ₦100 only..

Dial *474*1# to activate!

Dial *140# to check data. It can be use only on weekends (Friday to Sunday).

I just subscribed now with ₦100 and I was given 1GB to expire 14/11/2015. You can now  download whatever u want  to download and stream videos. 
Note : weekends only