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DevilsBreathProtect

Galaxy A8 Star

Samsung · catalog updated 2026-10-21

All supported devices
Brand
Samsung
Kind
Android phone · released 2018-06 · last update Android 10
Model codes
SM-G885…

Launched with Android 8.0 (Samsung Experience 9.0). Final update One UI 2 (Android 10). Sold in China as Galaxy A9 Star (SM-G8850, SM-G8858). Has a dedicated Bixby key, and Samsung does not document the side-key shortcut for it, so it is not listed.

Gestures on the Galaxy A8 Star

No gesture specific to this model is known. We only list what the manufacturer or reliable sources document.

Plus what the app offers on every Android phone: In-app button, Widget, Quick Settings tile, Shake, Volume keys, Voice phrase. How to set those up

Recommended presets

  • Shake ×3Sends a signal

    Three sharp shakes within 2.5 s: hard to do by accident, easy to do without looking.

    Shake ×3, 0.15–1 s apart · whole gesture within 2.5 s

  • Widget ×2Sends a signal

    Two taps on the home-screen widget within 3 s; a single accidental tap does nothing.

    Widget ×2, 0.1–3 s apart · whole gesture within 3 s

Gestures are set up in the phone settings as shown, then combined into a trigger recipe in the app, where practice mode shows step by step whether a gesture would trigger.