Walt Mossberg if the Wall Street Journal wrote I've been testing the iPhone 3G for a couple of weeks, and have found that it mostly keeps its promises. In particular, I found that doing email and surfing the Internet typically was between three and five times as fast using a 3G network.
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He says that Apple's new iPhone operating system includes an ‘App store,' where you can browse for, and download, third-party software. The iPhone 3G is hardly the first phone to run on 3G networks, and it still costs more than some of its competitors. But overall, I found it to be a more capable version of an already excellent device. And now that it's open to third-party programs, the iPhone has a chance to become a true computing platform with wide versatility.
There are two big hidden costs to the new iPhones faster speed and lower price tag. First, in my tests, the iPhone 3G's battery was drained much more quickly in a typical day of use than the battery on the original iPhone, due to the higher power demands of 3G networks. This is an especially significant problem because, unlike most other smart phones, the iPhone has a sealed battery that can't be replaced with a spare. Mossberg didn't seem very happy about the battery life. "In my tests, the iPhone 3G's battery was drained much more quickly in a typical day of use than the battery on the original iPhone, due to the higher power demands of 3G networks," he wrote. "In daily use, I found the battery indicator on the new 3G model slipping below 20% by early afternoon or midafternoon on some days, and it entirely ran out of juice on one day."
