Recently, GLO launched a new promo package for the festive period which is called GLO overload. With this plan you get 200% of every recharge, be it airtime and data plan.
This promo is eligible for every #200 recharge and above.
For instance, if you recharge a #200 airtime, you would be credited with #600. If you recharge #500, you would be credited with #1500.
If you recharge #1000, you would be credited with #3000.


This package is also beneficial to internet users, that is, it also gives 200% of every data renewal. The promo is eligible for data subscribers above #2000. Below information shows the list of data package for the promo.

list of data promotions

#2000 credits you with 2.5GB data plan
#3000 credits you with 4.5GB data plan
#5000 credits you with 12GB data plan
#8000 credits you with 24GB data plan
#10000 credits you with 33GB data plan
#15000 credits you with 51GB data plan
#18000 credits you with 63GB data plan

how to opt in

The above plans works on any device and this promo is eligible on all GLO Sim cards and to opt-in for this promo package,
=> simply dial *200#.

So what are you waiting for, hurry now and swap to GLO network. I wish you all happy festive period as you enjoy this hot offer.

source: http://www.niyonice.com/2014/12/freecalls-get-200-of-your-airtime-and.html