Back in September of last year, Xiaomi launched the 17 Pro and the 17 Pro Max which both feature a rear screen. The Xiaomi 17 Pro's rear display is a 2.7-inch panel.This, however, is now rumored to grow in its successor, the Xiaomi 18 Pro. According to a leaker on Weibo, this device's rear screen will measure a whopping 4 inches diagonally.Xiaomi 17 ProNot just that, but it will be a higher-brightness panel than the Xiaomi 17 Pro's, and will be higher-resolution too, leading to a higher pixels-per-inch number. The rear screen will have large rounded corners, and there's also...