Numerous individuals have adequate information about various cell phones and their organizations, yet a not very many of them know something about working frameworks.

• Symbian

Symbian OS is authoritatively the property of Nokia. It implies that some other organization should take authorization from Nokia before utilizing this working framework.
A portion of the telephones at present running on Symbian OS are Nokia C6-01, Nokia 603, Nokia 700, Nokia 808 Pure View, Nokia E6 (ANNA) and Nokia 701 (BELLE). Symbian is a prominent decision among Nokia double sim cell phones also.

• Apple iOS

iOS was presented in 29th June 2007 when the principal iPhone was created. From that point forward iOS has been under gone numerous updates and at present the most recent one is the iOS 9.
So far iOS has been utilized as a part of all iPhones, iPod and iPad.

• Android

September 20th, 2008 was the date when Google discharged the principal Android OS by the name of 'Astro'. After at some point next redesigned variants 'Drinking spree' and 'Cupcake' were likewise discharged.
A portion of the cell phones working on Android are HTC Desire, Samsung Galaxy Gio, Motorola Droid Razr, Samsung Galaxy S3 and HTC Wildfire.

• Blackberry OS

Blackberry OS is the property of RIM (Research In Motion) and was first discharged in 1999. Edge has built up this working framework for its Blackberry line of cell phones. Blackberry is vastly different from other working frameworks.
A portion of the cell phones working on Blackberry OS are Blackberry Bold, Blackberry Curve, Blackberry Torch and Blackberry 8520.

• Windows OS

Every one of you will be acquainted with Windows OS since it is utilized as a part of PCs everywhere throughout the world. Windows OS has additionally been utilized as a part of cell phones, however typical cell phone clients discover it somewhat hard to work it yet in the meantime it was exceptionally famous among individuals who were utilized to it.
Nokia Lumia arrangement is totally windows based. A portion of the most recent Windows Phones are Nokia Lumia 800, Nokia Lumia 900, Samsung Focus and HTC Titan 2.