To delete a group, select the group to delete, press the LeftSoft key to select
the sub-menu, then select "2. Delete".
* After the deletion completion message is displayed, the display returns to
the contact list menu.
To change a group (name), select the group to change, then press the
key. Edit according to Step 3. After this, when you press the
save the new group name, the display returns to the contact list menu.