Smartphones run on various types of operating systems. Many versions have Windows Mobile installed on them, while Apple’s iPhone runs on the iOS. BlackBerry phones are a kind of smartphone designed by Research In Motion (RIM) and running the BlackBerry OS. Smartphones share many features; you can access multiple email accounts, text messages, run applications and browse the Internet in addition to regular phone functions. When choosing a mobile phone, you’ll have to decide which type meets your needs and budget. Writer Bio