Apple and Google's 2019 flagship smartphones are all rumored to have huge squircle-shaped camera islands on their backs, but Huawei has already been there, done that - with the Mate 20 Pro last year. The phone's successor, however, may be going another way entirely. According to an image outed today that purports to show the back glass for Huawei's upcoming Mate 30 Pro, this time around the Mate flagship will employ a circular camera island, leaving Apple and Google to fight for the "best squircle" awards. That is, of course, if this is legit - which it very well may not be, given...