LG K20 Plus User Manual page 61

Switching between cameras
You can switch between the front and rear cameras to suit your
environment.
On the camera screen, tap
switch between the front and rear cameras.
Use the front camera to take selfies. See
Zoom in or out
You can use zoom in or out on the camera screen while taking a
photo or recording a video.
On the camera screen, pinch or spread two fingers to zoom in or
out, then use the displayed +/- slide bar.
The zoom feature is not available when using the front camera in
selfie mode.
Useful Apps
or drag the screen in any direction to
Selfie shot for details.
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