Samsung C3312 DUOS - Who Says a Touch Phone Costs a Fortune? Samsung C3312 DUOS is the most affordable Dual SIM Touch phone you'd really not want to miss. Samsung C3312 DUOS has made the typing obsolete. Packed with attractive functions, Samsung C3312 DUOS is as easy on the pocket as it is to use. Touch and connect with your world instantly. You can count on Samsung C3312 Dual SIM as a wonderful Multimedia phone, Listen to your favorite tunes, message, record videos on Samsung C3312 DUOS & more - All with a simple touch.