Smartphones are becoming immensely popular devices all around the world. In fact, they are portable mini computers that can be carried around anywhere. Many users now have a tough time imagining life without them as smartphones take on important roles in day to day activities.

But sometimes the so-called smartphones may look so smart. Every smartphone operating system has its quirks. They can be merely annoying or drive one to try another brand. What follows is an overview of each major OS -- and the glitches that can drive you crazy.

iPhone 4
There are rumors that Apple will be charging a premium for the new device because of upgrades like improved camera and the new A5 chip. So, it is not just the color. Apple
Obama plans 4G for 98 American household by 2016
Obama plans 4G for 98% American household by 2016 HTC
BlackBerry OS
Research In Motion’s BlackBerry remained at the top position with a share of 31.6 percent but lost 5.7 percentage points in the fourth quarter of 2010. The release of BlackBerry OS 6 shows promise, but not all the BlackBerry smartphones have received an update.Late to the touch screen party, the BlackBerry Storm 9500 and Strom 9530 didn’t do well in spite of having a very good hardware simply as they didn’t get the touch screen in BlackBerry OS5 right. These smartphones didn’t sell as well as RIM would like. And while smartphone makers seek killer apps, apps are killing BlackBerry. Although many buyers may want to get a BlackBerry, some balk at the thin app selection. BlackBerry
Symbian3 -- few apps, and no future
Nokia held on to its operating system for a long time until the arrival of Symbian^3 in 2010, but few changes can be seen on the latest operating system. The latest smartphone release from Finland is the Nokia N8, with sales touching close to 4 million in the fourth quarter of 2010.Like the BlackBerry OS, Symbian lacks a large app selection form the Ovi Store. As with the iOS, widgets are for the most part absent. Symbian^3 didn’t show many changes from the previous versions, and with the shuffles at the top of the Symbian Foundation, it isn’t clear that the OS will attract app developers.As Nokia is rolling out MeeGo-based devices in its next round of products, it doesn’t look like much will improve for Symbian. Nokia
Iphone Smartphone Storm ITunes