Assuming the device is still receiving updates from the carrier or manufacturer, you can receive updates. If the device as gone past its service life (usually 2 years after release), you can prolong its usability and upgrade by flashing a customized ROM.
To update the Android version of Qmobile Noir A600, you will need to access the settings menu. Then choose "update OS."
Because your Android OS version may be outdated. And there's no way to update it.
As of August 2014, the fastest version of Android OS is version 4.4.4 (KitKat). The next Android version (Android "L") is set to debut in the fall.
android beta.
The latest released version of Android is 4.4.4
The Dell Streak smartphone/tablet already has Android OS (version 2.2, Froyo) on board.
Android operating systems are desirable indeed and fortunately Kindle has an Android version. This version is desirable for the Android lovers in your life.
Android OS was made in 2007, but was not commercially available until 2008 when the first Android smartphone, the HTC Dream/T-Mobile G1 came out.
Simply replacing Bada OS to Android OS isn't that simple. The device has to be able to handle porting in a totally different OS from its native Bada. Also, it depends on if the developer community has made a version of Android OS (via a customized ROM) for that device.
Most cell phones come with a factory ROM update, so you will lose all apps and files. Some tablets allow a core update and minor OS updates, but they are sparse, and compatibility with apps is not guaranteed. There usually is no compatibility with major OS updates. However, if you paid your app from the google app store, you will be able to redownload and reinstall it once you did the OS update. Edit: This is no longer the case. With newer versions of Android OS, Google will save the apps you have installed, and it will automatically re-install them for you after an OS update. Also, if you have an older version of Android, there are 3rd party apps that can save both the apps you've installed to re-install later, as well as data from those apps.
The Barnes & Noble Nook Color uses a customized version of Android OS.
It appears there is no developer support where you can port Android OS to the Samsung GT-S3653W (Corby). The phone's OS is Samsung's own TouchWiz (version 1.0), which does borrow some Android elements, but isn't a full-fledged Android OS.