AT&T iPhone 4 users, in contrast, had a dropped call rate of 4.8 percent—more than double that of Verizon iPhone 4 users. That difference isn't limited to iPhones, though.

While the AT&T iPhone achieved download speeds in the range of 1.4 mbps in both cities and upload speeds of 0.73 mbps (San Francisco) and 0.92 mbps (San Jose), Verizon’s iPhone averaged 1.10 ...

ChangeWave reports that AT&T has 2.5 times more iPhone 4 dropped calls than Verizon, but there is reason to view the survey with an ounce of skepticism.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. The Verizon iPhone 4, officially unveiled Tuesday, touted one major ...

The HSDPA 3G chip in AT&T’s iPhone 4 can technically support download speeds up to 7.2 mbps, while the EVDO Rev. A standard used for Verizon’s model technically caps out at 3.1 mbps.

The Verizon version of the iPhone 4 doesn't need a full review—partially because you've read a bunch already, and partially because there's not a lot to differentiate it from the AT&T iPhone 4 ...

NEW YORK (CNNMoney.com) -- The iPhone 4 helped drive AT&T's wireless division to soaring growth in the past quarter, but Verizon may ultimately be the big winner. AT&T activated 5.2 million ...

With the Verizon iPhone 4 finally arriving on February 10 th, AT&T users who may have experienced poor reception and dropped calls are eagerly pondering a change of wireless cell phone service ...

AT&T, Apple's exclusive wireless partner in the U.S., expects in the next few weeks to gradually fix an issue that has significantly reduced upload speeds for some iPhone 4 owners.

That’s what this new iPhone is: a redesign of the iPhone 4 that works with CDMA cellular networks. If you want to switch from AT&T to Verizon, you’ll need a new phone.

According to Verizon the physical changes between their new CDMA iPhone 4 and the original AT&T iPhone 4 basically amount to the new CDMA radio. However, we've spotted another potential headache ...

With both the Captivate and iPhone 4 sharing AT&T’s infamously hobbled 3G network, and the Evo wearing its first-4G-phone-in-America pin, this one’s a no-brainer.