According to the news from MacOtakara from the Chinese supply chain , the iPhone 13 in 2021 will still use the 4 models of the iPhone 12 series. The bangs will still be retained, but will be slightly smaller than the current bangs, and the thickness of the fuselage will be slightly increased by 0.26mm.
According to the news, the back lens module of iPhone 13 and iPad Pro 2021 will be covered with sapphire glass, so the thickness will make iPhone become about 0.9mm. The lens will still use the current design, but it is estimated that the wide-angle lens of the iPhone 13 Pro will also add the sensor mobile optical image anti-shake function like the iPhone 12 Pro Max. As for the TrueDepth in the front, it will be smaller than it is now, that is to say, the fringe still exists.