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.
By contrast, a SIM-locked phone is a phone or smartphone that has been programmed for use only with a SIM from a specific cell phone carrier. If you have a locked phone, you will need to get it unlocked if you want to use it with another cell phone company's service.