huawei unveiled emui 9.0 at the german consumer electronics exhibition ifa in 2018. this version of emui is based on android pie. new features and improvements include a new gesture navigation system, moving many features to the bottom of the screen for easier one-handed use, a reorganized settings page, "digital balance" dashboard, gpu turbo 2.0, performance improvements, etc. an update to this version, named emui 9.1, was released in june 2019. new features and improvements include gpu turbo 3.0, a new file system called "extendable read-only file system" (erofs), file sharing feature onehop, huawei vlog improvements, new ar features, etc.