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Old 08-22-2012, 05:23 PM   #9 (permalink)
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Default Re: 7.1 OS for BB 9000

The 9700 had true UMA (in that a WiFi call could automatically transfer to a 3G network) but the 9700 was only 3G.

The 9900 has a form of UMA which is really WiFi calling. Once you left the range of the Wireless Access Point the call drops - it would not transfer to the 4G network. The 9900 is a 4G device.
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