Rumour has it that multiple upcoming flagships will feature at least 120 Hz displays, including the Google Pixel 5, Galaxy Fold 2, Huawei Mate X 2 and possibly the Xiaomi Mi 10 Pro+. Contrary to previous leaks, Apple will apparently not be bringing its ProMotion display technology to the iPhone 12 Pro and iPhone 12 Pro Max, though.
https://www.notebookcheck.net/The-Google-Pixel-5-Huawei-Mate-X-2-Samsung-Galaxy-Fold-2-and-possibly-the-Xiaomi-Mi-10-Pro-are-all-set-for-120-Hz-displays-no-ProMotion-displays-for-the-Apple-iPhone-12-Pro-or-iPhone-12-Pro-Max-though.478888.0.html