Welcome to the world of mobile phones where the convenience of staying connected comes with a few technicalities. One such feature is SIM lock, which may sound daunting but is essential to understand for all mobile phone users. SIM lock is a software feature that restricts the use of a phone to a specific carrier’s SIM card. This means that if your phone is SIM locked, it can only be used with a SIM card issued by the carrier it is locked to. This feature is put in place by carriers to ensure that customers fulfill their contract terms before switching to another carrier. However, it can also have implications for consumers.