How to lock your SIM card on MTN, Airtel, Glo, 9mobile
Your mobile number is very personal and provides access to many services, including banking and other financial tools. Here is how to lock your SIM card to tighten security on your line.
Your mobile number is very personal and provides access to many services, including banking and other financial tools. Here is how to lock your SIM card to tighten security on your line.