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Search in Samsung Galaxy S4
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Assigning a contact to a speed dialing key
If you want to make a call by tapping one key, you need to assign the contact to a speed dialing key. But first you need to save the contact in the address book.
Tap Phone.
Tap the Keypad tab.
Tap the Menu key.
Speed dialing key 1 is for voicemail.
Tap Speed dial setting.
Speed dialing key 1 is for voicemail.
Tap the required speed dialing key.
Speed dialing key 1 is for voicemail.
Tap the required contact.
Speed dialing key 1 is for voicemail.
Tap the Home key to return to the home screen.