![background image](http://html1.mh-extra.com/html/samsung/galaxy-a30-duos/galaxy-a30-duos_user-manual_3854893013.webp)
Basics
13
•
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
•
Using a Samsung-approved screen protector is recommended. Unapproved screen
protectors may cause the sensors to malfunction.
•
Do not cover the proximity/light sensor area with screen accessories, such as a
screen protector or stickers. Doing so may cause the sensor to malfunction.
•
Do not allow water to contact the touchscreen. The touchscreen may malfunction
in humid conditions or when exposed to water.
Hard keys
Power key
Volume key
Key
Function
Power
•
Press and hold to turn the device on or off.
•
Press to turn on or lock the screen.
Volume
•
Press to adjust the device volume.
Summary of Contents for Galaxy A30 Duos
Page 19: ...Basics 19 Dual SIM models ...