Samsung SM-A135M User Manual page 7

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Getting started
• Connectivity problems and battery drain may occur in the following situations:
– If you attach metallic stickers on the antenna area of the device
– If you attach a device cover made with metallic material to the device
– If you cover the device's antenna area with your hands or other objects while
using certain features, such as calls or the mobile data connection
• Do not allow water to contact the touchscreen. The touchscreen may malfunction in
humid conditions or when exposed to water.
Hard keys
Key
Side key
Side key +
Volume Down key
Setting the Side key
Select an app or feature to launch by pressing the Side key twice.
Launch the Settings app, tap Advanced features → Side key, and then select an option you
want.
Function
• Press and hold to turn the device on or off.
• Press to turn on or lock the screen.
• Press twice to launch the app or feature you set.
• Press simultaneously to capture a screenshot.
• Press and hold simultaneously to turn off the device.
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