BlackBerry

Cell phones are very valuable tools in these times, no need to be a great executive nor belong to a large T-Mobile company to have one, and this is due to the fierce competition that exists in this range, and is accessible to all, Samsung brings the Mobile PROPEL, let’s see if it falls into this category: Launched for AT&T, the Samsung PROPEL is a slider phone with QWERTY keyboard that integrates interesting features. Samsung PROPEL comes with the 1.3 megapixel camera (also recorded video), includes Bluetooth technology, MP3 players, email and instant messaging.BlackBerry cell phones
A BlackBerry is a wireless handheld device introduced in 1999 that supports e-mail, cell phones, SMS, web browsing and other wireless information services. It was developed by a Canadian company, Research In Motion (RIM), and carries its information through wireless data networks for mobile phone companies. The BlackBerry AT&T gained market first focusing on the mail. RIM currently offers BlackBerry e-mail services to non-BlackBerry devices, such as the Palm Treo, through the T-Mobile BlackBerry Connect software.
Research in Motion was involved in a patent dispute with NTP, Inc., That RIM could be forced to suspend service to most BlackBerry mobile users in the United States. The dispute was resolved with a settlement agreement in March 2006.
Its capacity in T-Mobile is the key factor in its strategic positioning in the market and constant renewal of the range of cell phones devices.