They go black because they're resting to save the battery.
All the screens go black because of the screen saver mode or power saving mode in which they are set.
Touch screen phones are available for purchase at any cell provider store. You may also find touch screens phones for sale at Walmart, Future Shop or online.
You can buy inexpensive cell phones on the Internet. In order to get the cell phones, you can go to www.cellularcountry.com/, www.cellphoneshop.net/ or www.cheapcellphonesoutlet.com/.
A great source for cell phones on kids is consumersearch.com. Go to Home > Electronics > Cell Phones > Best Kids Cell Phones. It has a great comparison of several phones and carriers.
so that we can easily communicate with others while on the go. If we didn't have cell phones, then we would have to use house phones or payphones.
When cell phones came about
There are many types of telephones. These include cellular phones, landlines with a cord, wireless landlines, as well as corporate multi-line phones.
You can buy wireless cell phones online on the Cricket Wireless website. People can go to ebay.com or craigslist to purchase used wireless cell phones.
A GO Phone can be purchased at your local AT&T dealer or: http://www.wireless.att.com/cell-phone-service/go-phones/
From my experience with go phones, they tend to have good reception anywhere you go with them because they can use a variety of cell towers to bounce their signals off of.
There are many places you can find cheap, unlocked cell phones. EBay is one of those places. If you search for cell phones and sort by price, you can't go wrong!
Yes, but most cell phones require a contract with a service provider. Lots of cell phones have pay as you go, pre-paid minutes.
One can go directly to Sanyo website to choose from their various cell phones available for sale or they could go to google, craig list or ebay for the cell phones they like.