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Samsung
Galaxy S9
Basic functions
Samsung Galaxy S9
Android 8.0
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Getting started
Basic functions
Calls, contacts & calendar
Messaging & email
Internet & entertainment
Data & wireless
Popular apps
Troubleshooting
My phone doesn't respond
My phone's memory is full
My phone is running slow
My phone's battery life is short
No ring tone is heard on incoming calls
Sound settings
Select ring tone
Select message tone
Turn silent mode on or off
Turn vibration on or off
Select ring volume
Screen settings
Select language
Set date and time
Adjust screen brightness
Turn notifications on or off
Voice control
Select settings for voice control
Use voice control
Security settings
Turn use of PIN on or off
Change PIN
Unblock PIN
Turn use of phone lock code on or off
View network lock status
Software update
View software version
Update phone software
Restore factory default settings