Micromax E4820, User Manual

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an app of your choice.

Place your finger on the sensor to use the camera.

Press and hold your finger on the sensor to answer a call.

Press and hold your finger on the sensor to record an
ongoing call.
Smart Key
A physical Smart Key lies on the left side of the device, accomplishing
many shortcut features, such as switch on/off torch, turn on audio
recording and more.
Smart Key works in both scenarios when the device is locked as well
as when the device is unlocked.
The shortcut features that work under locked state are:
T o r c h: Tap the smart key once to switch on/off the torch.
R e c o r d : Double-tap the smart key to switch on/off recording.
Qu i ck Photo: Hold the smart key and gently loosen the finger to click
a picture.
The features that work under the unlocked state are:
C a mera shutter: In camera mode, tap the smart key to click a picture
C l ean A pp: When in application, hold the smart key to clean all
running processes and keep only the current app running.
D i sable Lower Virtual Key on Screen: Hold the Home key and smart
key together to disable/enable the virtual keys.