Get fast, stay fast. This was the motto used during the launch of EMUI 5.0, which was first implemented in the Huawei Mate 9. During the presentation, Huawei promised that users would not notice any loss in speed even after using the phone for 18 months. Reason enough to put this promise to the test.
https://www.notebookcheck.net/EMUI-We-have-checked-up-on-Huawei-s-promise.279882.0.html