How does the phone delete the phone number on the SIM card?
Or find "show SIM card number", set, exit and then re-enter the business card holder, confirm that the number on the SIM card - all selected to delete.
Press the option, there must be a "SIM number", find after the entry - all selected to delete.
First enter the phone (phone book, or business card folder) system default phone stored number (not included in the SIM card)
