If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

(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 finish ...

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

We may earn a commission when you click links to retailers and purchase goods. More info. We have a bit of bad news to share for those of you who are interested in both buying an international Samsung ...