Well, its actually not a news that you can get 500 naira free promo credit from MTN Nigeria network to call morning numbers under 24 hours if you spend up to your daily target which will be clearly stated on your mtn sim.
Yes, MTN is currently giving out to its subscribers a whooping sum of 5oo and 1000 naira free airtime daily if you use up to your daily usage target which is either 100 or 200 naira.
How Do I Get This?
Its very simple, trust me! First, dial *507# and send to option in to the free credit promo and after receiving a welcome confirmation message, dial *507*1# to see your daily usage amount that is required of you.
Use the required amount that day in making calls only (100 or 200) and get 500 or 1000 free credit respectively and please note that the free airtime expires 12midnight of that same day.
So, How Do I Get My Free Promo Airtime By Simply Using 2 Naira?
This is actually a trick and involved the use of the brain in other to get this done.
First, you need to migrate to MTN HomeZone Plan, dial *123# and follow the steps inother to migrate to that plan.
After migrating, wait till its in the midnight, normally around 12.30am to 4.30am and during that period you should be able to make calls for like 1k per second or even 0kobo per second.
Now, call any mtn number with your MTN Line and talk for like 5 minutes and now check your free promo balance and you should see your 500 free promo airtime in tact.
How To Check MTN Free Promo Credit Balance?
Simply dial *559# and send.
Hope this worked for you?