Articles Index
How Much Does an iPhone 4 Cost?
Interested in an iPhone 4? Find out how much you'll need to pay.
How Much Does an iPhone Cost to Buy and Use?
Wondering how much you'll pay to get a shiny new iPhone 3G? Here's a breakdown of the costs associated with Apple's slick smartphone.
What Does It Mean to Jailbreak an iPhone?
Jailbreaking your iPhone is a way of freeing it from the limitations imposed on it by AT&T and Apple. Find out why this is a risky idea.
How Do QR Codes Work?
What are QR codes and how do QR codes work?
Who Offers High-Speed 4G Wireless Service?
As of this writing, three of the four nationwide cellular carriers offer some form of 4G wireless service.
Where Is 4G Service Available?
4G service is still in its infancy, and is not yet widely available. Each carrier's service is offered in different locations.
Where Can I Access Sprint's 4G Wireless Service?
4G is still a very new technology and Sprint's network, also called WiMax wireless, isn't yet available in many places. Where, exactly, is it available?
Where is Verizon's 4G LTE Network Available?
Verizon's 4G network was launched in early December 2010 in 38 major metropolitan areas. Where is it available?
Where is T-Mobile 4G Service Available?
T-Mobile's HSPA+ network is not a true 4G network, but does deliver speeds faster than a typical 3G network; it's considered more of a 3.5G network than a true 4G network.
How Fast is 4G Wireless Service?
4G service providers like to talk about their super-speedy 4G wireless networks. But just how fast is 4G wireless service, anyway?
What is 4G Wireless?
4G wireless has gotten plenty of hype recently, thanks to Sprint and the launch of the HTC EVO 4G smartphone. But what exactly is 4G wireless?
How Do I Pre-Order an iPhone?
As June 15, Apple and AT&T will begin accepting pre-orders on the new iPhone 4. The phone will be available on Thursday, June 24, and you can choose to have it delivered to you or reserve a device for pick-up on that day. Here are your options.
What is the Best Budget Smartphone?
About.com Reader's Choice Awards 2010: Readers pick their favorite budget smartphone.
What is the Best Paid iPhone App?
About.com Reader's Choice Awards 2010: Readers pick their favorite paid iPhone app.
What is the Best Smartphone Available Today?
Reader's Choice Awards 2010: About.com's readers pick their favorite smartphone.
What is the Best Free iPhone App?
About.com Reader's Choice Awards 2010: Readers pick their favorite free iPhone app.
What is the Best Android App?
About.com Reader's Choice Awards 2010: Readers pick their favorite Android app.
What is the Best BlackBerry App?
About.com Reader's Choice Awards 2010: Readers pick their favorite BlackBerry app.
Number Portability: Can I Transfer My Cell Phone Number?
In the U.S., wireless local number portability (WLNP) is a legally mandated service that allows the transfer of a cell phone number from one carrier to another.
FAQ: Will Cell Phone Insurance Save You Money?
Is cell phone insurance something you need or would you be losing money on it? This About.com FAQ is your guide to cell phone insurance.
I Bought an Unlocked Cell Phone. How Do I Use It?
If you've bought an unlocked smartphone, you'll need a SIM (subscriber identity module) to get service.
Where Can I Buy an Unlocked Cell Phone or Smartphone?
Purchasing an unlocked cell phone smartphone can be a much easier—and more reliable—option than attempting to unlock a previously locked phone.
How Do I Unlock My Cell Phone or Smartphone?
Some smartphones and cell phones can be unlocked, but it typically requires help.
What Is an Unlocked Cell Phone or Smartphone?
An unlocked cell phone is one that is not tied into a certain carrier’s network: It will work with more than one service provider.
How Much Does the New iPhone 3G S Cost?
Interested in picking up a shiny new iPhone 3G S? Here's a breakdown of exactly how much you can expect to spend on the iPhone 3G S.