Huawei Mate 40 Series uses Two Different EMUI Version: Pro with EMUI 11 and Mate 40 with EMUI 10
Yu Chengdong has confirmed that the Mate 40 series will be released normally as scheduled in September with Kirin 9000 series processors. It is reported that Huawei EMUI 11 will be released at the 2020 Huawei Developers Conference (HDC), this new version of EMUI 11 will be based on the open-source Android 11. Now, there is also interesting news about EMUI 11, which indicates that Huawei Mate 40 series will come with two different versions of EMUI.

According to the latest information obtained by authoritative exposure of Evan Blass, the Mate 40 series will be using different system versions on different models for the first time, with the top-of-the-line Mate 40 Pro coming with EMUI 11, based on open-source Android 11, while the standard Mate 40 will use EMUI 10.x, based on Android 10.
This is the first time in Huawei’s phone history that different systems will be used on different versions of the same series. It’s unclear if the Mate 40 will be upgraded to the open-source version of EMUI 11 at a later date, and it’s expected that system updates for Huawei’s other models will be somewhat affected as well.
EMUI 10, which was launched at HDC 2019, is Huawei’s first EMUI system based on the Android Open Source Project (AOSP). On the Huawei P40 phone, Huawei is no longer using Google GMS and is instead using its HMS ecosystem.
Huawei will announce the HongMeng 2.0 operating system at the September 10-12 developer conference, but for the time being, will still not be used for mobile phones, there will also EMUI 11, based on the open-source version of Android 11.