The graphics on newer phones can be customized. Generally, the graphics that you can modify include operator logos, caller line icons (CLIs), wallpaper, and screen savers. The amount of customization available varies among cell phone manufacturers and models. In general, phones manufactured after 2002...

Millions of people own cell phones, alphanumeric pagers, and other wireless devices, but few people have even the slightest clue how they actually work. While cell phones may mimic normal telephones in appearance and basic function, they aren't telephones at all,they are two-way radios. Every cell phone...

The analog mobile phone networks originally rolled out in the 1980s are first-generation (1G) networks. You may remember the original analog handsets, about the size of a brick with two-foot-long telescoping antennas. 1G network carry voice traffic only, and data transmission. Analog handsets convert...

When you are deciding which carrier to use, don't be lured in by offers that sound too good to be true. Often there are hidden charges, or better deals that you may miss in your haste. Study the plan thoroughly and consider the following things before you sign anything. Promotions: Everywhere you look...

Because airtime charges can add up quickly if you use the wireless Web frequently, any steps you take to streamline your browsing process can save you a significant amount of money. A good start is to avoid having to re-input Web addresses every time you surf. Most phones have a "Favorites" type of feature...

The jury is still out on this. While some studies, as well as common sense, suggest a connection between cell phone use and car accidents, accurate data is hard to gather because police seldom collect this information in accident reports. Studies and surveys often use self-reporting by drivers as a method...

Every phone has some secret functions that can be unlocked; and almost none of them are of any interest to the average user. Most unlocked features do such things as display network identification codes, date of manufacture, date of last repair, software versions, and so on. Caution: Messing with your...

I discussed some of the health concerns related to Wi-Fi technology. Many people have similar concerns about perceived health risks related to mobile handsets. There have been reports, largely based on anecdotal evidence, that link the use of mobile handsets with brain cancer, but research has not established...

As with any contract, when you sign up for cellular service, there is plenty of fine print. Being aware of some of the more common clauses found in cellular contracts puts you in a better position to negotiate or choose a better deal. Activation Fees: A common "gotcha" is activation fees, charges you...

Smart phones combine the functions of a PDA and a cell phone, giving you the best of both worlds. Like PDAs, you'll have to choose between Palm OS-powered smart phones or smart phones that run Microsoft's Windows Mobile OS. All of the same considerations apply when choosing between the two, although...