AT&T: Motorola Atrix speeds are not capped, HSUPA just not turned on

AT&T Mobility (NYSE:T) confirmed that it has not yet activated the HSUPA capabilities on its Motorola Mobility (NYSE:MMI) Atrix 4G smartphone, but that it plans to do so at some point in the future.

Motorola AtrixThe carrier responded to a Better Business Bureau complaint about the speeds for the phone, which has become AT&T's newest flagship smartphone. "Be assured that AT&T has not 'capped' the upload speeds on the Atrix," Sheila Utech, a customer appeals manager at AT&T, said in the response. "The Atrix is a HSUPA-capable device, and we currently are performing the testing and preparations necessary to ensure that, when we turn this feature on, you will continue to have a world-class experience."

The comments are notable in light of AT&T's decidedly ambiguous response last week to concerns about the uplink speeds of the Atrix and the HTC Inspire. AT&T said in a statement at the time that it has "a number of HSUPA devices today and we will have more HSUPA-enabled devices in the future--new devices and updates to existing models." The carrier did not provide any further details.

Users have complained that they cannot take advantage of the uplink speeds provided by AT&T's network; the network can support uplink speeds of up to 1 Mbps, according to past tests conducted by PC Magazine using AT&T USB modems.

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