TCL 20 Pro 5G

TCL and Alcatel · catalog updated 2026-10-21

Brand: TCL and Alcatel
Kind: Android phone · released 2021-04
Model codes: T810H

Build.MODEL T810H (Google Play device list). Announced 2021-04-14 (TCL); the month shown is the announcement month. Ships with Android 11; TCL committed at least one Android upgrade (9to5Google), but no rollout was found. TCL's spec sheet lists a Smart Key on the left side, noting that availability varies by region.

Gestures on the TCL 20 Pro 5G

Press the Smart Key (the extra key on the left side) with the press type you bound to our entry: single press, double press or long press

DocumentedInput: Extra key

Requires: A TCL phone with a Smart Key; TCL says availability varies by region and country

Set it up

Settings
Button & gestures
Smart Key
Single press, Double press or Long press
Pick the option that opens an app
Quick signal: key

TCL describes the Smart Key as a programmable key on the left side with three slots (single press, double press, long press); each slot can open any app, start Google Assistant, turn on the flashlight, open camera modes, take a screenshot or toggle mute. One configured press opens our entry, so one event means one press of that type. Bind a slot you don't use for anything else; a single press is easy to trigger by accident in a pocket, so a double press or long press is the safer choice. TCL's guide does not give the exact label of the app option. A 2020 review of the TCL 10 Pro said its Smart Key could not open a chosen app yet, so only models whose Smart Key is documented with the app option in 2021 or later are listed.

Sources

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
Smart Key ×3Sends a signal
Three presses of the bound Smart Key slot within 10 s; a single stray press does nothing.
Extra key ×3, 0.3–3 s apart · whole gesture within 10 s
Smart Key + shake ×2Sends a signal
One press of the bound Smart Key slot, confirmed by two sharp shakes within 5 s.
Extra key ×1 → then within 5 s: Shake ×2, 0.1–1.5 s apart · whole gesture within 10 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.