The company allows you to dial *121# to check the net balance of 3G and 4G data. These codes will allow you to check the data balance along with validity. Besides, Airtel allows you to check data balance through these codes *121*1# or *121*9# or *121*2#.
Enter the OTP: You’ll receive a One Time Password (OTP) on the mobile number. Input this OTP to confirm. Link Multiple Numbers: You can link up to seven mobile phone numbers through this app. Linking NIN to MTN, Glo, Airtel, or 9mobile ...
The NIN should be closely guarded by individuals and not revealed to all and sundry except to relevant authorities when requested (for instance it shouldn’t be disclosed online over social media and should not be printed along with contact details on business cards or other office stationery). ...