https://www.theverge.com/2018/3/27/17168078/huawei-p20-notch-turn-off-hide-status-bar

Huawei’s new P20 flagship has a notch. That’s okay — loads of phones have launched with notches this year. What Huawei has done different is introduce a feature that lets you turn the notch “off.” Very simply, this setting changes the status bar to black, which effectively camouflages the cut-out containing the phone’s front-facing camera and speaker.

It’s not completely seamless, but as the pictures below show (tweeted by Stefan Constantine) it’s pretty damn good. At a glance, it just looks like the phone has a thicker top bezel, although if you squint you can see where the notch ends and the screen begins.