6 Phone Book
6.4 Delete Contact
Select the option Delete Contact from the Phone book menu. This function allows you to access two suboptions from the menu:
Choose Contact (1): Allows you to erase one determined contact from the phone book.
Delete all Contacts (2): Eliminates the records from your contact list. It is also possible to erase the entire contact list.
If you wish to erase only one contact, select the Choose Contact option. You will be asked to Write name of the contact, and it will begin to search through the list of existing contacts. Press Accept 
to choose that contact. The phone will ask you Do you wish to delete the contact?.
Press Accept erase the contact. Once the process is finalized, you will hear a message saying Contact deleted accompanied by a characteristic tone.
To cancel the action, press Cancel 
.
To erase the entire list, go to the Delete all contacts option. The phone will ask you if you wish to Are you sure you want to delete all contacts?. Press the Accept key to agree to the option and erase the entire contact list. Once the process is finished, you will hear the message All contacts deleted accompanied by a characteristic tone.
To cancel the action, press Cancel .
If an error occurs in one of the erase contacts option, this will be indicated with an error tone.