Huawei is adding more phones to the EMUI 9.1 update queue as its late 2016 flagships are joining the beta program, along with a couple of Honor phones. With this update, the Huawei Mate 9 and Mate 9 Pro (the Porsche Design too) are getting a new file system, EROFS, plus GPU Turbo 3.0 - that's two performance upgrades for phones that are nearly three years old. Huawei Mate 9 Huawei Mate 9 Pro Huawei Mate 9 Porsche Design The Huawei P10 and P10 Plus were initially supposed to start the beta program in August, but they got in half a month early. Huawei P10 Huawei...
Source: https://www.gsmarena.com/huawei_mate_9_and_p10_plus_several_more_phones_start_beta_testing_emui_91-news-38160.php