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How to tame notifications on your Android phone
Take back control of your lock screen.
From this screen, tap on an app in this view to find options to turn off individual notification types, or channels. That’s why you might see things you don’t want (promotional notifications) bundled together with useful stuff, like order updates — thanks, Starbucks app. This will let you snooze an individual notification channel( not the whole app) for a preset length of time.
Or read this on The Verge