Quote:
Originally Posted by apristel
How does the phone recognize the difference between US GSM and International?
I also read in here that Sprint TP2's are only restricting t-mob and at&t GSM? Is that truly the case?
I would like to get a SIM from a local carrier that is Einstein PCS, they have their own craptastic network, but the rates are low. I don't really need it, but I do want it for cool factor. So if it's only tmob and at&t that is blocked or do the towers here in the US tell the phone it is in the US?
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Bottom line, every single GSM network in the world has an identification, made out of two parts, a country code and a network code.
So Sprint simply locks out all the networks with country code that reflects US GSM networks.
Like I said, doesn't matter where your SIM card is from, as long as it goes to an US network (which is easily identified via the country code on the GSM prefix), Sprint's TP2 will NOT work.