No sooner had we taken our UK T-Mobile G1 out of its box when someone shouted out, "Does it have 3G then?" It does indeed have 3G, but what's more interesting is that during testing we found out that ...

A smartphone broadband test conducted by Wired.com found that AT&T customers reported the slowest average 3G network speeds, while Verizon subscribers posted the speediest results. Conducted in May, ...

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The various versions of the iPhone 4S might all look the same, but wireless data speeds can vary greatly depending on which carrier you choose. We’re putting the iPhone 4S to the test on the AT&T, ...

Streaming HD video. Uploading gigantic files. Surfing the web comfortably. These aren’t things you’d normally expect on 3G. But T-Mobile’s beefed up HSPA+ network, which I tested recently in the first ...

A new test of the four major U.S. 3G networks found that AT&T has undergone a "drastic makeover" in the last eight months, with download speeds that blow away competitors Verizon, T-Mobile and Sprint.

Well the numbers are in folks, and we're pretty surprised to reveal that AT&T's 3G network might not be the travesty many thought it was. Don't get us wrong — it is in fact abysmal in countless areas ...

Apple has made claims that the iPhone OS 3.0 yields significant performance gains on the 3G model, and that the new 3G S can accomplish the same tasks up to twice as fast as its predecessors.

In this quick prizefight, we pit the iPhone 3G against the T-Mobile G1 to see which phone has the faster 3G speeds. Bonnie Cha was a former chief correspondent for CNET Crave, covering every kind of ...

For the first time, you can purchase an iPhone on each of the three largest carriers in the U.S. The iPhone 4S is essentially the same device on each of these networks, but the iPhone 4S speeds vary, ...