No cheat, it’s just a trick. Trick not applicable to old customers, strictly for new 9mobile subscriber.
Get a new SIM register and recharge after registration. (be sure you are activated by dialing 200 then press 1).
1. Get a new Sim(well registered and active)
2. Load up N 500 (instantly you get 2.5 GB
3. Migrate to more cliq using *244*1#
4. Dail *229*10*16# (for 4.5 GB)
Your N500 recharge gives you 2.5 GB and your subscription gives you 4.5 GB, making it 7GB
Congratulation, you just got 7 GB of data valid for 7 days