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A SIM (Subscriber Identity Module) Card works by storing information about your phone service (e.g. your phone number) so that the phone it is inserted into knows what service and account to use.

You cannot call text or socially use your phone without one

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โˆ™ 2011-10-02 01:59:40
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Q: How does a SIM card work?
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Related questions

Can a SIM card break a phone?

No. If your SIM card breaks, your phone won't work. However, if you replace your SIM card, your phone will work again.

Does a Pantech impact work without a sim card?

No it does not. I have the impact in blue and this phone does not work if a sim card is not inserted or if the sim is blocked.

Does a Nextel sim card work in a Blackberry 7100i?

Yes. But the sim card has to be compatible. I think the number on the sim card has to end in 310.

Can you put a sim card inside where the TF card is suppose to be and it will work?

A TF card is a memory card and is not the same as a SIM card.

Can a att sim card work in a centennial phone?

The sim card will only work in a different phone if the phone is ulocked, in not, no

If you switch your SIM card with a iPhone will it work?

yes it will. but know that if you remove a sim card from an iPhone, from that point on the sim card will be more prone to fall out.

Will the iPhone 4S work on reliance CDMA sim card?

No, You cannot use reliance CDMA sim card (or) any other CDMA card sim card on Apple iphone 4s. Any GSM Sim card will work on factory unlocked Apple iphone 4s but not CDMA sim ONLY IN INDIA.

Will a plateau SIM card work on an iphone?

yes a plateau sim card will work on the iphone all you have to do is go to plateau and have them unlock it.

What kind of sim card do you use on sciphone i68?

any sim card except 3g sim cards they will not work properly

If a mobile phone is locked will the sim card still work in another mobile phone?

it depends on weather its the phone that is locked or if the sim card is locked. if its the sim card then you need to call telstra and they can unlock it for you. but if its only the phone then the sim card will always work on any other phone

Can a normal SIM card work in a micro SIM slot?

The micro SIM is smaller, so you couldn't insert a normal sized SIM card in its slot.

Do you need a memory card if you have a SIM card?

Not necessarily - a 'memory card' is simply additional storage. The SIM card does all the work of connecting your phone to the network.

Can you charge your cell without a sim card?

Absolutely ! Your phone only needs the SIM card to connect you to the network. Your charger will work whether the SIM card is installed or not.

Will a Cincinnati bell SIM card work in a t-mobile phone?

will a t moble sim card work in a cincinati bell phone

Does an i880 sim card work on the blackberry curve?

i880 is from nextel and if you put your sim card from nextel service in to a nextel blackberry it should work .

Can you put a boost SIM card in a Verizon phone?

You can put a Boost Mobile SIM card in a Verizon phone, but it won't work.

Will the Global Sim Card work in my AT&T Blackberry Curve?

Yes, the Global Slim Card will work on a At&t blackberry curve. Yes, the Global Sim Card will work with no problems in your AT&T Blackberry Curve. Simply use it as you would any Sim Card.

Can a boost phone work with t mobile sim card?

A Boost Mobile phone can only work with a T-Mobile sim card if the phone is unlocked. Phones that are locked to a specific carrier will not work with other sim cards.

Will iphone work with SIM card?

yes but u have to buy a micro sim

What does wcdma and gsm mean on your cell phone?

a phone with these two facility can work in GSM with sim card and can work without sim card in cdma mode

Will your vodafone sim card work on an unlocked Motorola phone?

If the phone is unlocked you should be able to put any type of sim card in there as long as it is a GSM phone with a sim card slot.

Can you use your sidekick id sim card with your sidekick 2008 will everything work the same?

Yeah i think you can use the same sim card i haven't tried that yet but it should work the same. And you can use the same sim card on different pones and it will work the same.

Does the iPhone 4 sim card work in the iPhone 4S?

Yes, it does. Both iPhones use the micro SIM card.

Does a go phone sim card work with other phones?

yes any sim card can go in any phone

Your SIM card won't work in another phone how can you make it work?

Call your carrier and request a SIM transfer.