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3G? 2G? 3.5G?!?! What's the Diff?
What the frak is the difference between this G and that G? Here is the answer:
Regardless of which version of a phone, it will work on any carrier with any SIM card in the world as long as the phone itself is unlocked and has a quad-band GSM radio. This is for voice calls.
Data is the biggest difference between 3G and non-3G phones. Quad-band 2G phones can use data anywhere in the world under the same conditions as for voice above, but data will be significantly slower compared to a 3G phone that packs the proper frequencies for the region.
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