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The new Motorola Droid Razr Maxx HD made a run at the iPhone 5 in October, but there's no dethroning the king – at least for now. The Samsung Galaxy S3 remains stiff competition, but Apple's iconic device was last month's best seller overall at major U.S. carriers.

Our image gallery breaks down which handsets were the top sellers at AT&T, Verizon, Sprint and T-Mobile in October. Rankings come via retail checks made by analysts at Canaccord Genuity.

Missed last month's list? Click here for the hottest selling smartphones at U.S. carriers in September.