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Question
Hi,
First I am not from the US. I came here for training and it'll be for a while. So I decided to get myself a cheap cellphone with a prepaid sim card so I can get in touch with my Boss and friends while I'm here. I dropped by at Walmart and purchased this "go phone" with the at&t sim card. Just now I bought a pre owned Iphone 3GS. It was "unlocked and jailbroken" -- I did try to insert my sim from back home and it did work just fine. But when I inserted my at&t sim card it "DIDN'T" get any signal. Is there any way that I can get this sim card work on my Iphone?
Thanks much.
I'm surprised that the GoPhone SIM didn't work with the iPhone. It uses the same bands and I find that very odd. It should work with any SIM unlocked device. Are you able to try the SIM with any other unlocked GSM phone to see if it will work? If it doesn't work with any other phone, that it is likely setup to only work with a specific IMEI number. Though they couldn't do this previously, the carriers can now do this and it is possible that this may be the case. I'll keep my fingers crossed that perhaps it is something else. 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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