Manage names and numbers
Select 
> Contacts .
Go to a contact, and select Options > Delete .
Delete several contacts
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To mark a contact to be deleted, go to the contact, and select Options > Mark/Unmark .
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To delete the marked contacts, select Options > Delete .
Go to a contact, and select Options > Copy and the desired location.
Select the contact and Options > View details > Options > Send business card .
Select the contact and Options > View details > Options > Voice tag details > Options > Play voice tag .
When entering contacts or editing voice commands, do not use very short or similar names for different contacts or commands.
Using voice tags may be difficult in a noisy environment or during an emergency, so you should not rely solely upon voice dialling in all circumstances.