(Image credit: Tom's Guide) The rumor mill has been giving the iPhone Fold a lot of attention recently, and with good reason, but we can't forget that 2027 is set to be a very big year for Apple's smartphones as well. Next year marks the 20th anniversary of the original iPhone, and reports suggest that Apple has a very special phone lined up to commemorate that landmark. One report even claimed that the anniversary model could be a "major shake-up" for the iPhone line-up , likening it to the iPhone X design being used as a template for future iPhones. One particular design rumor that keeps showing up is the possibility of a curved display that bends around all four sides of the phone . Article continues below Curved screens are a bad idea (Image credit: Future) I've long been critical of curved phone screens , to the point that I celebrated when Samsung finally reverted to flat screens just over two years ago with the release of the Galaxy S24 Ultra .…