before purchase mobile how to know or check mobile is upgrade-able or not !!
like : Samsung Galaxy Grand Quattro , Galaxy Core , Galaxy Grand 2
like : Samsung Galaxy Grand Quattro , Galaxy Core , Galaxy Grand 2
* A report from SamMobile has now suggested that the Galaxy S4 mini, Galaxy S3 mini, Galaxy S Advance, Galaxy Ace 3, Galaxy Core, Galaxy Fame, Galaxy Ace 2, and the Galaxy Fresh are the devices which they are testing the new OS version on, so it would be a possibility for these devices to run the Android 4.4 KitKat, not very soon though.