What is a T-Mobile SIM Card?

Answer 1

SIM or Subscriber Identity Module card is is a portable memory chip used in some models of cellular telephones. SIM cards store network-specific information used to authenticate and identify subscribers on the network. Also stores users data such as phone number, contacts and text messages.

Answer 2

A SIM card is a small electronic circuit installed in a mobile phone or other device, that identifies the device to the network it's using. A comprehensive explanation (along with examples of the different sizes) can be seen in the related link to Wikipedia.

Answer 3

SIM stands for Subscriber Identity Module. It is card that stores your information on it like your phone number and can also store contacts (and I think it can store SMS messages as well).

Answer 4

a sim card is a part of a celphone so a phone can read things

A sim card is a card which is inserted into your cell phone. It functions as a memory card of sorts, and holds information for your phone, to determine what network it belongs to (Sprint, TMobile, AT&T, etc). It will also store some other information, such as phone book contacts.

Answer 5

SIM is short for Subscriber Identity Module. It's a small card for cellular phones, it stores a service-subscriber key used to identify a subscriber. It allows for you the cell phone user to switch phones simply by switching cards.

Answer 6

T-Mobile is a unique company because all of the phones that are available for their network use SIM cards. A SIM card is similar to the size of memory card for your camera and essentially holds the memory for your phone. The SIM card is transferrable from one phone to another and holds all of your favorites, like phone numbers and email addresses. The great thing about a SIM card is that it can be taken out of one phone and will immediately load your information into another. Most cell phone companies do not offer this special option.

Answer 7

that's what locks you/ or someone who has your cell phone out of your cell phone until you enter a special code that unlocks it

Answer 8

A SIM card is short for subscriber identity card. It is a chip that you put in your phone to make calls to someone. Each SIM card is registered on name of a particular user.