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Question
i recently upgraded to a new mobile same network so i transferred the sim, i gave the old one to a friend,he bought a sim for a different network. the phone wont recognise this card. it just displays my network not the name of the phone. any ideas many thanks
my old phone is a sagemvs3
Mobile phones are typically SIM locked to the carrier you bought the device from. When you got a new phone, your SIM card worked because you were using the same carrier for both phones. In the case of your friend, the phone you gave him was for your carrier, but he got a SIM card for a different carrier. Unless he gets someone to SIM unlock the phone, he won't be able to use the phone. I would recommend he either get a SIM card for your carrier or get a different phone for his carrier. Or he can pay someone to SIM unlock the phone for him. 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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