1. MTN NIGERIA
* For 2GB: Send “SPB to 131″ in a text message. It will cost you N2,000 and will last for a complete one month.
2. ETISALAT NIGERIA
* For 1GB: Simply Dial *229*10*10# and will cost you N500 | It will last for 24 hours. I simple rates this plan as an emergency plan.
* For 1GB: Dial *5995*2#, cost N1,000. Last for 3 Days (Week Ends).
* For 2GB: Dial; *229*2*8#, Cost N2,000, Validity: 30days.
3. GLO NIGERIA
* For 3GB: Send “COMONTH to 777″ in a text message. Cost N1,000 for a whole one month. Note: This process will only work on your android phone if you root + twerk your mobile phone into a Black berry serial number before it will work for you.
4. AIRTEL NIGERIA:
* For 3GB: Dial *440*16# cost N1,500 and will last for 30days.
* For 4GB: Dial *440*161# Cost N2,000 and will last you for 1 month.
* For 9GB: Dial *438*1# Cost N3,500, Valid: for 30days.