Default Dual camera!?

I've searched for this a lot now and I can't seem to find a answer anywhere (unless my eyesight is going bad) HTC one max has a dual camera feature. Would it be possible to port it to the HTC one? Since it's pretty much same just bigger.

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Top reliable phones I have had: HTC One. LG G2, Nexus 4, Note 2, Nokia 5800, Motorola RAZR V3X, Motorola RAZR i, Nexus 5 Had many more, but these devices were the best IMO.

Current Phone: HTC One M8

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