Choose dual SIM settings
Set up your mobile phone for internet
Turn silent mode on or off
Set up your mobile phone for Exchange email
You can select the ringtone you want to hear when you get a call.
Find ""Ringtone" next to the required SIM"
Tap Sound & Vibration.
Tap "Ringtone" next to the required SIM.
Tap From Files.
Tap the different ringtones to hear them.
Once you've found a ringtone you like, tap the Return key.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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