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Sim Cards

A subscriber identity module or subscriber identification module (SIM) card is an integrated circuit that securely stores the International Mobile Subscriber Identity (IMSI) and the related key used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers).

130 Questions

What is a usim card?

Its a SIM card that is used for 3g network.

Are sim cards made from gold?

Yes SIM Card contains gold. 1000 SIM Cards = 1Gram Pure Gold

Are all SIM cards alike?

No, there are multiple sizes:

  • Full
  • Mini
  • Micro
  • Nano
  • Embedded

Where can one get free Orange SIM cards?

There are a couple different ways one can get a free Vodafone SIM card. The best way to obtain a free SIM card is directly through the Vodafone website. You can get a free SIM card when you sign up for Pay as you Go service.

Do virgin mobile sim cards work in T-mobile phones?

Yes,i,ve been with virgin for 6yrs,but every time i buy a new phone its t-mobile as they have a better range & cheaper & my virgin sim card works fine The only problem is the phone will have t-mobile settings but u can go on the virgin web site 4 the right settings

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

Because in the US all GSM devices (ones that require a SIM card) are SIM locked to their respective carrier (AT&T or T-mobile). Before you can use your SIM in another carrier's device you must get the SIM Unlock Code (some call it a Subsidy Unlock Code) from the service provider that the device was manufactured for and then they will also give you the instructions for inputting the code into your device.

Does Verizon use sim cards?

Verizon does not use sim cards up until recently near the end of 2008 i heard they will be accepting phones from different carriers to use on their network as long as the phone has been unlocked. I'm not sure when or if they will even go through with this, which would be nice but that is what i heard..

that is not true they will not take phones from other plans

Do you have to have two sim cards in a dual sim card phone?

Apparently you can have just one sim card even if the phone is dual sim compatible.

EDIT: 'Dual SIM' - simply gives the user the option to use two different numbers in one handset. It's a users choice - not mandatory.

Do lgenv3 phones have removable sim cards?

my uncle who works with a ton of technology for a job said that every phone has a sim card its just that some phones are harder to get to. apparently u can take of the battery back then unscrew a couple screws then you can get it from there.

What are Sim cards made from?

a sim card is made of many different parts such as plastic,gold,tin and many more things that you can search for yourself...

Do UK SIM cards work in an American phones?

yes, but it depends on what you mean by work. it will physically be able to work eg. call and text but im pretty sure the US sim cards will not work in UK's phones.

Do all sim cards fit all phones?

SIM cards have generic sizes and basic functions. The difference lie in the frequencies that they operate on.

What do sim cards look like?

A cell phone is a phone that isn't attached to the wall and that you can take anywhere. It often looks like a very small, flat television, with buttons.

What blackberrys have sim cards?

Certain blackberry have sim Card Like Tmobile , at&t, And Nextel . Boostmobile ,sprint , and Verizon blackberry donot have a Sim >

Are there phones that accept 2 SIM cards so a user can use 2 different cell phone providers if so does this include blackberrys?

At this current time there are no cell phones that are designed for the united states market that can accept 2 sim cards. I know that there are phones sold by Verizon wireless however that can use Verizon cdma network which doesn't require a sim card and then allow a sim for uses overseas on Vodafone's network. Besides that if you are really that set on having 2 sim cards in one phone then there are a few site that sell a piece which must be soldered onto the circuit board within the phone and then i have no idea how you can switch between the 2 sims.

Who sells SIM cards?

Try besy buy, or any shop that sells mobile phones. You can also obtain free SIM cards direct from network operators online.

Or just search SIM cards on google, you will find many online stores which offer this product. One of them is aurabuy.com.

Can cingular sim cards work in sprint phones?

No, manufactorers of phones program the phone for each company. You cannot take a phone or sim from one provider to another.

Edit: Yes - if you get the handset unlocked so it's no longer 'tied' to the original network ! (Snakester1962)

What mobile phone supports two SIM cards?

Samsung Galaxy S Duos

Sony Xperia Tipo Dual

HTC Desire V

Samsung Galaxy Y Duos

Samsung Galaxy Ace Duos

Nokia Asha 305

ViewSonic ViewPhone 3

Acer Liquid Gallant Duo

Do text messages stay on phone memory even when different SIM Cards are used?

that depends on which memory you use, whether the phone memory or the sim card memory

Do virgin mobile phones take sim cards?

At least some of their phones are do; all of their smart phones do and a few of the standard handsets use them as well.

For proof, see the following link on the Virgin Mobile site for "How to activate your new SIM card."

http://www.virginmobile.com/vm/activateNewSimCard.do?contentId=activate.new.sim.card.howdoi.sm663