iPhone 3GS Upstream Speed Limited to 384Kbps [Smartphones]
While the iPhone 3GS got a download speed boost—to 7.2Mbps—it didn’t get any upload power-up. According to PC World, its upstream speed is limited by its hardware to 384Kbps. But don’t get out the torches and pitchforks yet. Most GSM-based cellphones suffer the same problem: No matter how fast they are at download, they will upload at only 384Kbps, or less, as you can see in our iPhone 3GS network test . This is because the hardware doesn’t support the HSUPA (High-Speed Uplink Packet Access) standard, created by Nokia—the 3rd Generation Partnership Project (3GPP) refers to this standard as Enhanced Uplink . Some would say that this is not needed because Enhanced Uplink—which runs at 1.4 and 1.9Mbps—is not supported by AT&T yet, but in …

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iPhone 3GS Upstream Speed Limited to 384Kbps [Smartphones]
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