1. Press OK key and select Contacts
2. Choose Speed Dials

You can assign a speed dial number to a contact, edit or delete it

3. Highlight the existing contact you want to edit and click Options.

4. If you want to replace an existing Speed dial with another, select Change from the Options menu by highlighting Change and clicking OK

5. If you want to remove the Speed dials entry altogether, highlight Delete and click OK.

I have a LG GB-255G

Which LG phone model do you have?