Motorola moto e32 User Manual page 217

Settings : Sound
2.
Touch > Flip To Silence and turn it on
Pick up to silence
To silence an incoming call, place your phone face down on a flat surface.
To enable this gesture:
1.
Open the Phone app.
2.
Tap > Settings > Flip To Silence.
3.
Turn Flip To Silence on
.
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