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Cellular Phones/pre-paid SIM in a Samsung t629

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Question
Can I use my prepaid T-Mobile SIM card in a Samsung T629 that is on the T Mobile network but was originally used with a regular contract plan?

Answer
Your prepaid SIM should work in a post-paid phone. You wouldn't be able to check your balance and may not be able to access the data network. I would check it first, but it should work since the carrier is the same. If it doesn't, it would be that a post paid SIM works in a prepaid phone but a prepaid SIM does not work with a post-paid phone. I do not for certain that a post-paid SIM works in a prepaid phone. I hope this helps. Thanks. DebiN

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DebiN

Expertise

I can answer questions on cellular phones, the physical device, the network, contracts, billing, ordering, porting and what to look for when purchasing cell phones. I am located in the United States. I am an expert on BlackBerrys, Treos, HTC devices and iPhones as well as cellphones and aircards. I have over 15 years of experience in both the wireless and wireline world with the carriers. I have a lot of knowledge regarding the wireless providers - their services, prices and policies, both GSM AT&T and T-Mobile) and CDMA (Verizon, Sprint/Nextel). I am very familiar with the individual devices and their specifications. I can also answer questions regarding BlackBerrys, iPhones and other PDAs, both Palm-based and Windows-based. I can troubleshoot most any problem someone is having with their cellular device or with the provider.

Experience

Over 20 years in the Telecom industry working for the carriers with individuals, small business, medium business and large corporations(Fortune 500). Also worked as a professor in Maryland for 10 years teaching telecommunications.

Organizations
I belong to several organizations

Education/Credentials
Master's in Telecommunications

Awards and Honors
Received several awards for papers that I have published over the years

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