What are the differences between the iPhone 3GS and the iPhone 3G?
Can you purchase the iPhone models "unlocked"?
How does the battery life of the iPhone 3GS compare to the iPhone 3G in "real-world" tests? Is the battery replaceable?
How much faster is the iPhone 3GS than the iPhone 3G? How much difference does this speed boost make in actual use?
What are the differences between the iPhone 3GS and the Google/HTC Nexus One?
What are the "pros and cons" of the iPhone 3GS and iPhone 3G? Which is the best one for my needs?
What are the differences between the AT&T Wireless voice/data plans for the iPhone 3GS and the iPhone 3G? What is the difference in the total cost of ownership?
What are the differences between the iPhone 3GS and the iPod touch 3G (Late 2009)?
Can you use the iPhone with an external keyboard? What external keyboard options are available?
How does the camera in the iPhone 3GS compare to the camera in earlier iPhone models?
For all iPhone Q&As, check out the iPhone Q&A (Home). For other Apple hardware, visit the EveryMac.com Q&A section.