Samsung launches Champ Deluxe Duos for Rs 4,790 The dual SIM phone has a 2.8 inch screen, Qwerty keypad, 1.3 megapixel camera, MP3 player and FM radio etc.Samsung has a new dual SIM handset – Champ Deluxe Duos. Deluxe Duos (C3312) comes with a 2.8 inch display with Smart Touchwiz user interface that is intuitive. [...]