Press Contacts.
Sign in to your personal directory.
Select Personal Fast Dials and scroll to a fast-dial code.
Select the required fast-dial code and press Call.
Press Contacts.
Sign in to your Personal directory.
Select Personal address book and search for an entry.
Press Select, then Edit.
Modify the entry information.
Press Phones to modify a phone number.
Press Update.
Press Contacts.
Sign in to your personal directory.