One of the better websites to compare cell phone prices and cell phone features is Phone Scoop. This website allows you to compare cellular phones side by side to find what will suit you best.
Making a cell phone purchase is an important decision that should involve some research. Visit gizmodo.com for in depth reviews and cnet.com for a side by side comparison of most phones on the market.
I found a site that list the top 5 cell phones , so I would tell you to check this site out reviews.cnet.com/best-cell-phones . Or here is another site that list the best cell phones towww.brighthand.com/price it also includes the prices for the cell phones which is great.
From my search I couldn't find a book that teaches cell phones for seniors. I did however find a site that offers senior friendly phones. The site is www.info4cellphones.com/cell-phones-for-seniors.html.
Plan rates for AT&T cell phones can be found online. Wireless.att.com lists different rates and bundles for their cell phones. The site also lists special offers.
A site that will compare and contrast different cell phones and their providers is cell phones review 2012 top ten providers list. They will show you the pros and cons and give you customer feedback.
Individuals can locate a discount for blackberry phones at http://www.wireless.att.com/cell-phone-service/cell-phones/blackberry.jsp?WT.srch=1?. There are many blackberries listed on the site.
On website http://www.mobiledia.com/phones/compare/ you can compare phones from different service providers. Deals can by sorted by cell phones, plans or providers.
If you have a current cell phone, I would go the carriers site and view what they offer. You can also just search "newest cell phones" and you will have plenty to choose from.
This website, http://reviews.cnet.com/best-cell-phones/, would be the best website to review cell phones including cell phone specs. They even break down into the best smartphones, best camera phones, best basic phones, and so on.
I have added a link below to a online pre owned cell phone store that has T-Mobile phones. Hope this helps.
There are many websites that someone could find applications for cell phones. The Microsoft site and Apple sites are just two examples of sites that have applications for cell phones.
Second hand phones can be bought at many places. One can purchase the phones at the Recellular site or on the auction site eBay or most cell phone companies, like Sprint or Verizon, sell refurbished phones.