locked cellphone : Computer Hardware Buyers’ Glossary


locked cellphone
Cellphone programmed to work with only one wireless provider. This conditioning can be broken allowing you to use your phone on another wireless network. Modern GSM (Global System for Mobile Communications) phones have a SIM (Subscriber Information Module), a chip that contains your serial number, your name, calendar and other personal information. You can move it from phone to phone. Changing the SIM also allows you to move your phone from provider to provider.

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