Hi Umar, you dial *447#, *700# and *123*5# to see and deactivate all unwanted VAS (Value Added Service)
Also, go the the SIM Toolkit on your phone, select MTN MsgXpress, if it...
I bought a Mifi device from your shop at Ikeja City mall
S/N 320513884549
IMEI: 867462052329632
and MTN line 08104170681
and I was told I will get twice the data I purchase...