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SIM cards do not always work for any cell phone, as most wireless providers lock their phones to their specific network. Putting a SIM card into a cell phone locked to a different company usually triggers a service provider lock. Usually, the only way to get around this is getting the unlock code from the wireless provider it was originally used with, which they may not allow. In addition, some cell phones, usually CDMA, do not even have a slot for a SIM card.
Wiki User
∙ 9y ago
Wiki User
∙ 14y agoNot necessarily. Particular GSMs operate in different frequency ranges e.g. 850/900/1800/1900 etc. Different cellar providers use different frequencies. Though most are frequencies are supported by unlocked phones, I would call your cellular carrier just to check what frequency they use. Statistically speaking, you should be fine as most unlocked phones support a wide variety of frequencies. I
Wiki User
∙ 11y agocdma and gsm, gsm works with all gsm carriers
And cdma only works with on cdma carriers
So if your looking for unlocked gsm for gsm service, look up device before buying
Wiki User
∙ 8y agoYes - assuming they both use the same physical size of card.
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Can AT and T Go Phone SIM cards be used in unlocked cell phones?
Hi, yes a at&t Sim card will work on any unlocked phone
Will switching sim cards in a cell phone work?
It depends on the phone and carrier.
Do you need to put two sim cards in a dual sim phone or will it operate with just one?
YES, without any problem.
Will a go phone sim card work in a Pantech matrix?
Go phone sim cards only work with go phones; you'd have to unlock the matrix.
Can any phone sim card be inserted into any phone?
No most phone companies do not allow any SIM card to go into all phones. The only exception I have found is the SIM cards for ATT phones and TMobile phones.
Does a go phone sim card work with other phones?
yes any sim card can go in any phone
Will a CDMA sim card work in a next g mobile phone?
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.
Are all cell phones compatible with 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.
Does the SIM card have to be manufactured by the same company as the phone itself?
SIM cards do not have to be manufactured by the same company as the phone itself. There are many manufacturers of SIM cards out there.
Can a non-SIM card phone be programed to run on a network that uses SIM cards?
No. A non-GSM phone cannot work on a GSM network, and vice versa.
Will nextel SIM cards work in ANY phone?
No, it will give an error message asking for the unlock code. Once you get that error, you screwed up the sim and it will not work in either phone again and it locks up your phone and it cannot be unlocked. Nextel does not have the unlock code, Motorola made the phones that way.
Can an unlocked mytouch slide 3g be work ok with US Cellular?
It would work if the phone has a SIM card slot and you get one of the u.s. cellulars SIM cards
