Originally Posted by GSM Nation
Samsung Galaxy Duos (Y, S and ACE) are some great full active dual sim phones. They sell really well and have a track record of beating user expectations. We have seen a bunch of people use these phones to to handle multiple phone numbers and they all seem very satisfied with the way the phone manages both sims.
I agree. Samsung Galaxy Duos Ace is one of the best dual sim cell phones that I have used.