Nokia X Phones will have Opera as its Default Web Browser

Opera has a long-standing partnership with Nokia to provide a browser for its phones, it used to be Opera Mini on Series 40 nowadays it's the full-fledged Opera Mobile on the Nokia X platform.

Opera will be the default browser on Nokia X phones, starting with the new Nokia X2, and it's available for free download for current X owners.

Opera is now based on Blink but adds Opera's traditional strengths including Turbo and Speed Dial. There's also the Discover features, which finds fresh content sorted by country and topic.

Source