The growing demand for mobile phones has seen a revolution in the telecom industry. In the present day market, many trendy and advanced phones have been launched. One of the newest additions are the Blackberry mobile phones. These phones are popular amongst the masses and they also serve the needs and requirements of the business users across the world. Blackberry mobile phones also provide high-speed Internet connectivity and they are equipped with different chat messengers such as Yahoo, MSN and AQL which enable the user to keep in touch with people all over the world. These phones, usually, have an internal memory of 64 MB.

Giving Blackberry mobile phones a tough competition are the O2 mobile phones. O2 mobile phones have also left a huge impact on its users. These phones are supported with music capability and with their advanced features and strong network, they help in enhancing the communication skills of the user. The mobile market has seen the tug of war: Blackberry mobile phone VS O2 mobile phones as a means of healthy competition. The competition between the Blackberry mobile phone and O2 mobile phones will enhance the efficiency of both the companies. The Blackberry mobile phone VS O2 mobile phone competition will result in maximising the levels of mobile users' satisfaction.