Up to 999 speed dial numbers can be added on the Samsung device, with the number 1 always reserved for the voicemail, and the speed dial number can be either a stored contact or a phone number.
- Open the Phone App
- Open the Menu
- Tap on Speed dial numbers
- Tap on the Speed dial number to choose a new number
- Choose desired Speed dial number
- Enter a phone number or tap on contacts
- Choose desired Contact