Samsung Galaxy Z Flip 5G Notes On Usage page 41

Available...security...codes/PIN...
code
Available...security...codes
The product has various security codes that you can
use.
The available security codes are as follows. Do not
forget the various security codes that are set as they
are necessary for various operations and contracts.
Make sure to change the initial value to your own
unique number.
■ Security...code ...
Example of
usage
Initial
value
① To do remote operation of Voice mail
and Call forwarding services from a
land-line phone
② To use Customer Center and to do
various inquiries, applications, and
modifications on the au homepage
A four-digit number chosen by the
customer and noted on the application
form
Notes on Usage
39