It's important to know how to lock your SIM card to keep your data safe. Whether you have the latest 5G phone or a budget Android phone, turning on SIM lock is straightforward.

Have you ever wondered exactly how a SIM card works? We'll help you understand why your phone needs one and what they do to keep you connected.

With previous SIM lock capabilities, consumers always had the choice of buying a specifically carrier-unlocked device instead of buying one directly from a carrier.

Android Q looks very exciting with dark mode and new permissions, but not all is good, as it will give network carriers new ways to SIM lock your phone.

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...

The most recent pre-release source code for Android Q indicates that phone makers and wireless carriers will have expanded capabilities for locking down smartphones to specific networks.

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...