We're only talking about rumors, after all, strengthening though they may be as release nears.
People are suggesting that Apple would move all production to the new size,
but I don't see why the rumor of a larger model precludes keeping the current form factor as well,
a design for which Apple always had very cogent justification.
My daughter, whose existence, as nearly as I can tell, revolves around her iPhone (to the exclusion of
her MacBook and iPad(s) ), would...