iPhone 3G questions, answered

We answer some frequently asked iPhone 3G questions, gleaned from AT&T's newly available information.

iPhone 3G set for 8 a.m. debut on July 11AT&T says the latest version of Apple’s smartphone goes on sale at 8 a.m. local time on July 11.
Will higher data plan costs hurt iPhone 3G sales?Service plan rates for the iPhone 3G are higher than existing iPhone plans, and that’s causing some people to reconsider whether they’ll buy a new phone when it’s released next week. A pair of Macworld editors share their points of view.

Product	Rating
iPhone 16GB
iPhone 8GB

Fix and prevent iPhone freezes and crashes
Freezes and crashes are generic iPhone problems that can occur in any iPhone software, from Safari to Maps. In this excerpt from Take Control of Your iPhone, Ted Landau explains how to recover from freezes and crashes and how to avoid them in the first place.
Excerpt: Avoid iPhone navigation and typing hassles
New to the iPhone? Then you'll need to learn how to master its MultiTouch interface. In this excerpt from the new Take Control of Your iPhone ebook, Ted Landau shows you how to understand iPhone gestures, make text more readable, and master the onscreen keyboard.
How to: Unlock an iPhone
A step by step look at unlocking the iPhone's SIM card and making it available to other cell carriers' networks.
Adding custom ringtones to your iPhone
Dismayed by the iPhone's unwillingness to let you customize your ringtones? Don't be -- third-party applications exist that add this missing capability. Jim Dalrymple walks you through how to do it with an app called iFuntastic.
What IT staff can do if the CEO gets an iPhone
Computerworld's Seth Weintraub outlines a few easy steps that IT staffers can take to make the iPhone fit into their operation.

Will higher data plan costs hurt iPhone 3G sales?
Service plan rates for the iPhone 3G are higher than existing iPhone plans, and that’s causing some people to reconsider whether they’ll buy a new phone when it’s released next week. A pair of Macworld editors share their points of view.
Will current iPhone owners upgrade to 3G?
The new iPhone arrives on July 11, which gives current owners three weeks to figure out whether theyâ€™ll upgrade to the latest model. Peter Cohen has already made his decision.
Where are the iPhone's iPod improvements?
We've heard much of the new iPhone's networking, enterprise, and third-party features, but virtually nothing about improvements to its handling of media. Christopher Breen has some suggestions.
Most important WWDC announcement: GPS on iPhone
The Industry Standard argues that GPS, and not 3G connectivity, is the most important news coming out of Monday's keynote.
Traveling light while staying in touch
Two of Apple’s recent releases—the iPhone and the MacBook Air—can come in handy if you’re on a vacation and want to stay connected without hauling a lot of electronics with you.