With all the speculation about what the new iPhone will include, I’ve yet to see something mentioned that I think is critical, and what I’d probably like to see most.
First, keep in mind that a lot of the improvements people want in the iPhone (myself included) are software-based. Therefore, they do not require a new hardware generation. For that reason, features such as MMS reception, cut and paste, multiple email selection, etc. will not be covered here. I want them, but they could be delivered by Apple at any time.
From a strictly hardware standpoint, if you summarize the list of all the rumors the following are probably most commony specified:

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