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any sim card except 3g sim cards they will not work properly
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.
Not all cell phones are compatible with SIM cards. Some only work with a contract, and you need to unlock the phone before you can use a SIM card.
No it will not fit, the micro one is smaller than the regular sim card.
Sprint doesn't use SIM cards...
No they will not work with AT&T. AT&T uses a GSM network that requires SIM cards and Sprint uses CDMA that does not require SIM cards. The two networks are not even remotely compatible.
Cellcom in Wisconsin does not have sim cards, wish they did. I have heard that you can get a sim card from them but non of their phones have a spot for sim cards.
Verizion uses CDMA and CDMA networks don't use Sim Cards cause i only know of GSM providers using Sim Cards Sim Cards like tell the phone your number , minutes and stuff. a phone can't work on a provider without a Sim Card (CDMA phones are programmed via there OS or circuit board).
3 Ireland is one of the most popular mobile phone networks in Ireland. They offer mobile phone service, broadband service, and they also sell sim cards.
Yes, they most definitely do.
It depends on the phone and carrier.
Go phone sim cards only work with go phones; you'd have to unlock the matrix.