AT&T previously confirmed that it would be using LTE for its 4G network, but is also planning to update its HSDPA network to the faster HSPA+ technology first. An AT&T spokesperson recently confirmed that the carrier has been running trials in Chicago that test upgrades to its HSDPA network that would offer data speeds of 7.2Mbps or more.
AT&T spokesperson Mark Siegel confirmed the tests, but declined to explain what technology was being used to achieve these faster data speeds. HSPA+ not only increases downlink data connection speeds up to 14.4Mbps, but also increases uplink speeds, as well, which enables faster uploading from cell phones.
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