I'm using OnePlus One (bacon) running CM12 Unofficial (daleski75's build). If you long-press a notification, you could see a crossed bell on some app.

crossed bell in Lollipop

It seems to permanently mute every notification with the same text inside. A new notification with a different text from the same app is shown as usual.

Is that the meaning of that button? How can re-enable notifications with the same text?

  • Looking from the answers, looks like it's not a standard Lollipop feature. Could you please also mention the device model and whether you're using custom ROM or not? – Andrew T. Dec 24 '14 at 7:08
  • @AndrewT. OnePlus One (bacon) running CM12 Unofficial (daleski75's build) – MaxChinni Dec 26 '14 at 16:24

In Android 5.0 (at least in the CM12 Unofficial builds) you can go to Settings -> Privacy


From there go in to Filter Notifications. Clicking on an item will allow you to see when it was last blocked and remove it from the list.

enter image description here


It's a setting that can be changed under Settings->Privacy->Filter notifications.

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