Canaccord Genuity claims the iPhone 4S remained the number one smartphone in America throughout March, securing the coveted spot across AT&T, Verizon and Sprint from the time it was released in October.
Meanwhile, Samsung is the number two vendor behind Apple and the firm has secured the top smartphone spot across T-Mobile, thanks to the Galaxy S II.
However, it should be noted that T-Mobile is a network that doesn't provide the iPhone.
Samsung has also had the Galaxy S II secure top three positions with AT&T and Sprint, while the Galaxy Nexus is popular across Verizon.
Mike Walkley, analyst, Canaccord, says: "During March, our checks indicated the iPhone 4S remained the top smartphone in the U.S. market and Samsung gained share as smartphone penetration grows in US prepaid channels.”

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