There are two types of phones—those locked to a carrier and those free to use whatever carrier they want. There will come a time when you need to know which one your phone is. Thankfully, you'll have ...

Unstructured Supplementary Service Data (USSD) codes are strings of characters primarily used by developers and technicians to troubleshoot smartphones. You can use these codes to learn more about ...

Below are practical steps to blacklist a phone quickly and protect your accounts and data. Here is how to blacklist a phone.