Nokia X with four-inch display, Android-based OS launched at Rs 8,599 in India

Noxia X is a dual SIM handset featuring a four-inch touchscreen, dual core 1 GHz processor, 512 MB RAM and supports expandable memory up to 32GB.

The smartphone was already available for pre-booking on electronics retailer.

It has a 3MP rear camera and is powered by Android Jellybean OS. The Finnish firm, whose handset business was bought by Microsoft last year, had unveiled its Nokia X range of smartphones -- X, X+ and XL -- powered by Google's Android operating system at the Mobile World Congress on February 24.

Nokia has taken the open-source elements of Android and added elements of Asha and Microsoft's Windows Phone to offer its users a different experience.