Get an Airtel sim, Recharge with N100 and Follow this steps below
STEP 1
After loading your airtime dial *447# and you might get a respond saying welcome to airtel big family but if you get a respond saying “”error occured or system busy keep”" trying it till it says welcome to airtel big family.
STEP 2
After you are done with that call any airtel line for one minute and end the call then dial *446# and ignore any response you recieve.
STEP 3
After you are done with that dial *123*9# to check your airtime bonus and you will see you have been credited with N3,896 airtime bonus which you use to call any number on the airtel network.
ENJOY
STEP 1
After loading your airtime dial *447# and you might get a respond saying welcome to airtel big family but if you get a respond saying “”error occured or system busy keep”" trying it till it says welcome to airtel big family.
STEP 2
After you are done with that call any airtel line for one minute and end the call then dial *446# and ignore any response you recieve.
STEP 3
After you are done with that dial *123*9# to check your airtime bonus and you will see you have been credited with N3,896 airtime bonus which you use to call any number on the airtel network.
ENJOY