Set up your mobile phone for internet
Turn data roaming on or off
Restart mobile phone
Change screen brightness
Turn silent mode on or off
When call waiting is turned on, you can answer a new call without ending your ongoing call.
Find "Additional Settings"
Tap Operator's Call Related Settings.
Tap Additional Settings.
Turn call waiting on or off
Tap the required SIM.
Tap the indicator next to "Call Waiting" to turn the function on or off.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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