Rockstar11
Technomancer
my father using a samsung Duos phone.. the problenm is that you can insert two sim card but you can not use both the card at same time.. you have to switch between the cards and only one card will be active at a time..
and dual sim is not require.. it will save me couple of hundred
and what is Bluetoot with A2DP
Advanced Audio Distribution Profile (A2DP)
Sending stereo music over Bluetooth to devices from mobile phones