Choose dual SIM settings
Check data usage
Transfer content from another mobile phone
Turn automatic use of mobile data on or off
Restart mobile phone
If identical contacts appear in the address book, you can merge them so they will appear only once.
Merge identical contacts
Tap Merge Duplicate Contacts.
Tap the required contact.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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