Transfer files between computer and mobile phone
Choose dual SIM settings
Turn GPS on or off
Choose message tone
When call waiting is turned on, you can answer a new call without ending your ongoing call.
Find "Call waiting"
Tap the menu icon.
Tap Call waiting.
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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