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DevilsBreathProtect

F9 / F9 Pro

OPPO · catalog updated 2026-10-21

All supported devices
Brand
OPPO
Kind
Android phone · released 2018-08 · last update Android 10
Model codes
CPH1823, CPH1825, CPH1881

Ships with ColorOS 5.2 (Android 8.1); install the ColorOS 7 (Android 10) update first (build CPH1823EX_11.F.09, June 2020, per PiunikaWeb). Google Play lists all three codes as F9; which code is the F9 Pro is not sourced.

Gestures on the F9 / F9 Pro

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.