Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
But maybe you're not sure exactly what that means. An unlocked cell phone is one that is not tied into a certain carrier's network: It will work with more than one service provider. Most cell phones and smartphones are tiedâor lockedâto a certain cellular carrier, such as Verizon Wireless, T-Mobile, AT&T, or Sprint.
Quick Answer. A carrier lock, which is featured on most cellphones, is a software code placed on a phone that prevents its use on another network. To unlock the technology, another code must be inserted on the phone. Devices that do not have the lock or code specifically advertise or state they are unlocked.