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Question by  omegasahak (7)

Will a Boost Mobile SIM card work for a Cingular Motorola Razar phone?

 
+7

Answer by  Binome (1975)

No. A Boost Mobile SIM card will allow compatible CDMA or iDEN phones (depending on your plan) to connect to Boost Mobile's network. AT&T (formerly Cingular) uses incompatible GSM phones.

 
+6

Answer by  worker8239 (26)

A Boost Mobile SIM card will not work for any Cingular phone. The reason is that each phone company programs their phones to only work with their SIM cards.

 
+6

Answer by  kevin28 (188)

no boost uses a cdma network the sims only work in either boost or nextel phones ,cingular uses a gsm network

posted by Anonymous
will it work with a verizon phone?  add a comment
 
+6

Answer by  imkboiscrie113 (252)

If you unlock the cingular phone any sim card should work in it. To unlock the phone you would have to call cingular(at&t) customer care and ask for the unlock code. To get the code you have to have the IMEI number located on the phone behind the battery and it is 15 digits long.

posted by Anonymous
They use different network protocols. This won\'t do any good.  add a comment
 
+6

Answer by  Cott (43)

This totally depends on whether the Motorola phone is bought outright and/or cracked. if it is under contract to Cingular it will not work with a different company's SIM card, such as Boost. For the the SIM card to work usually Cingular must be contacted and usually a payment made or time period fulfilled.

 
+5

Answer by  technogeek (6640)

No. You can use it in another Boost Mobile phone, but it will not work in a phone designed for use with Cingular service.

 
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