Android.
Today's smartphones are much the same thing as a mobile computer. Windows phones even have a mobile version of Windows Operating System. That's what mobile computing really is. It's just the use of mobile "smart phones" which have operating systems like computer. The operating system enables phones to run applications or "apps", for uses from banking to games.
Andriod is the operating system on some mobile phones, it's similar to how Windows, iOsx and Unix are operating systems on a computer.
Sony Ericsson mobile phones use a variety of operating systems depending on the specific model. The operating systems used include Android, Java, Symbian, and Windows Mobile.
HTC mobile phones use more than one operating system. One of the operating systems it uses is the Android based operating system. It also uses the Windows operating system.
you can update blackberry OS
It is an operating system for mobile phones by Google.!
Not all mobile devices are called smart phones... Only Cellular Phones with outstanding capabilities are called Smart Phones.
The largest mobile phone service in the United States is Verizon Mobile which began its operation as a merger between Bell Atlantic and GTE Wireless on April 3, 2000. Their mobile phones use the Android operating system.
symbian anna OS is best.
Symbian is an operating system or fimrware platform for mobile phones. Mostly Nokia
Android is an operating system, and is mainly in mobile phones, tablets, or other devices (ex: Samsung Gear smartwatch, Chromecast, Nexus Q, etc.).
I'm pretty sure they were called mobile phones before cell phones...