BlackBerry 7100 cell phones came out in 2005 as one of the most cutting-edge mobile phones ever released. Offering the smartphone and e-mail features of past BlackBerry offerings, the BlackBerry 7100 phones were designed to also better resemble and function more like a traditional handset.

While the BlackBerry 7100 mobile phones have been replaced on the market with newer models, you can still find a great deal on a used, refurbished or even a new one online. The BlackBerry 7100 is still a fully functional phone, and will provide you with a great mobile e-mail solution for a low cost. When shopping for BlackBerry 7100 smartphones, consider:

1. Whether a used BlackBerry 7100 is more cost-efficient than buying a newer BlackBerry handset.

2. Which cellular service provider you will be using, and which BlackBerry 7100 will work with that provider.

3. Where to find the best deal on a new or used BlackBerry 7100.

Action Steps
The best contacts and resources to help you get it done

Compare and review information about BlackBerry 7100 smartphones

While the Blackberry 7100 cell phone series is no longer available directly from carriers, you can still pick one up from a third-party retailer. That being said, the different BlackBerry 7100 models were each created for different service providers. Check out the specifications on BlackBerry's website to figure out which one works best with your current carrier, and while you're there, review the phone's features to make sure it fits your needs.

I recommend: BlackBerry.com has a page with specifications on the 7100g and 7100i models, and there is another page on the site that offers information on the 7100t.

Read reviews on the BlackBerry 7100 mobile phone you have chosen

The BlackBerry 7100 cell phones came out to a huge splash, and was considered a cutting-edge product at the time of its release. As a result, there are many reviews of all BlackBerry 7100 PDAs online. Most of these reviews date back to the products' launch, so be sure to check out some consumer reviews to see how the phones are doing in the network today.

I recommend: PC World has a great, in-depth review on the 7100t, and many of the points made here can be applied to its sister models. CNET offers professional and consumer reviews on all BlackBerry models, including this one on the 7100t.

Shop for used BlackBerry 7100 cell phones

The BlackBerry 7100's discontinuation makes it a little more daunting to track one down, but you can still buy a BlackBerry 7100 phone online from select retailers and auction sites. Just make sure your phone is coming from a reputable dealer and seller, and that it is guaranteed to work with your network.

I recommend: eBay is your best bet for finding a great deal on a used BlackBerry 7100 phone. There are plenty of reputable sellers with a wide range of BlackBerry 7100 smartphones. Amazon also still carries new and used BlackBerry 7100 mobile phones, check out the 7100g and 7100t here.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  Make sure it is truly cost-effective to buy used BlackBerry 7100 PDAs. Newer models are available that may fit your needs better. For some situations, however, such as users who are in the middle of an existing cellular service contract, a used BlackBerry 7100 might be your best bet.