This article originally appeared on ABACUS Update, October 22, 2018: The launch date of the OnePlus 6T has been rescheduled to October 29. Every so often we hear about a new flagship smartphone coming out. This week Huawei took the wraps off the Mate 20 and Mate 20 Pro , which came half a year after the P20 and P20 Pro launched. Xiaomi has announced it’s unveiling the Mi MIX 3 on October 25, just months after the Mi MIX 2S and Mi 8 came out. OnePlus is expected to follow up on April’s OnePlus 6 with the 6T later this month. And don’t forget Samsung’s Galaxy S9, S9+ and Note 9 -- all released this year. With a slew of Android flagships being introduced every year, it’s sometimes hard to keep up with what’s arriving next. So we decided to lay out everything in a visual timeline. Here's why smartphones have multiple cameras For more insights into China tech, sign up for our tech newsletters , subscribe to our Inside China Tech podcast , and download the comprehensive 2019 China Internet Report . Also roam China Tech City , an award-winning interactive digital map at our sister site Abacus .