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Verizon iPhone versus AT&T iPhone: The top three differences

Both carriers get the iPhone 4, but the Verizon iPhone will be a little different from what AT&T customers have grown used to. Some are obvious changes, such as the switch from GSM (AT&T's network of choice) to CDMA (the technology used by Verizon). But several of the differences may come as a surprise. Click through to learn them all.

The Verizon iPhone also works as a Wi-Fi hotspot.
San Jose Mercury News by Troy Wolverton
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1. Personal Wi-Fi hotspot

Unlike the AT&T iPhone, Verizon's will let subscribers use the device as a portable Wi-Fi hotspot.

Essentially, the special mode turns your iPhone into a Wi-Fi router. Assuming that you have 3G connection in a given area, the iPhone will take that cellular signal and turn it into Wi-Fi signal for up to five other devices.

The feature is great for using laptops on the road or Web surfing on iPads that don't have 3G antennas.

Nota bene: While 3G connections are often more than enough for a single iPhone, data speeds may slow to a trickle when shared across five devices. "Personal hotspots" are a Verizon convenience, not loophole for power users.

Also, Verizon has kept mum on data rates. AT&T discontinued its unlimited data plan, after its network struggled to keeping up with demand. If Verizon decides to imposes usage caps – such as AT&T's two gigabyte-a-month max – then this personal hotspot could quickly drain your monthly allotment.

Still, it's a pretty cool feature.

SEE RELATED: Verizon iPhone release date closing in fast

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