To Get MTN 500MB for N25

To enjoy this offer, your MTN sim must be on the MTN Pulse tariff plan, but if you are not sure of the plan you are already on, simply dial *123# to confirm which plan you are on or just dial *406# to migrate to MTN Pulse plan.
  Make sure you have a minimum of N30 in your phone
  Send NIGHT to 131 via SMS and you’ll get a message like this “Dear customer, you have successfully subscribed to Free Night Browsing between 00:00 and 04:00. N25 has been deducted from your account.”

Note: Every SIM card entitled to a one time activation per night, but if you have more than one MTN sim, you can get as much as 2GB at the cheap price of N100 with 4 different MTN sim cards. Remember that, this plan is usable only within 12am – 4am. Enjoy it while it last.