Nokia 5800 XpressMusic
The Dual SIM card on Nokia 5800 XpressMusic has been reached from Viettel, Vinaphone, and Mobifone, a discontinued Vodafone; Nokia 5800 has two Dual SIM slots on the left and right sides. A memory card is also inside for Nokia 5800 back side, next to the camera from Nokia 5800 memory.