The phone ships with EMUI 5.0, which is a big update over what shipped on older Huawei devices, but there are still too many menus. In particular, it's still too difficult to change the default launcher. But with these steps, you can do it in a snap.
The Amazon Echo Buds (2nd Gen) are in some ways just an incremental upgrade over their predecessors, but in other ways, they are a huge improvement from the first generation. It's not often that a brand is able to fix basically every complaint I had from one version to the next, but that's pretty much what Amazon did with these earbuds.