Ionic menu is flickering on browser, Android and iOS devices. Please check this image
share your menu code
I’m not using ion-menu anymore and coded for custom menu. You may check this here https://play.google.com/store/apps/details?id=com.idiotfit.android&hl=en
As @Sylvinrodz said, if you could share a demo, this would help isolate the problem. Even if you’re not using ion-menu, it could help the next person.