Apple is working on a foldable iPhone that could rival smartphones launched by companies like Samsung, Oppo, and Huawei, according to several reports. A tipster on Weibo, the Chinese microblogging platform, has now leaked details of the inner and outer displays on Apple’s purported foldable iPhone, which could arrive as a book-style foldable with an “unprecedented” screen ratio. The company has yet to announce any plans to launch a foldable smartphone, although it has been granted patents for technology that could be used in such devices. Apple’s Foldable iPhone Could Sport 5.49-Inch Cover Display In a post on Weibo, tipster Digital Chat Station (translated from Chinese) claims that Apple’s book-style foldable will resemble the Oppo Find N series, while sporting a shorter and thicker build. The user says that Apple will equip its folding phone with a 5.49-inch cover display, which also happens to be the same size as the outer screen on Oppo’s first generation Find N handset. Photo Credit: Screenshot/ Weibo   On the inside, the foldable iPhone will sport a 7.74-inch screen, …