Samsung Galaxy Note10+ Notes On Usage page 55

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 ...
①To do remote operation of Voice mail
and Call forwarding services from a land-
Example line phone
of usage ②To use Customer Center and to do
various inquiries, applications, and
modifications on the au homepage
A four-digit number chosen by the
Initial
customer and noted on the application
value
form
■ Screen...lock...setting ...
Example To set and release the screen lock
of usage
Initial (Depend on the initial settings for each
value model)
■ Password...(Osaifu-Keitai...lock...setting) ...
Example To use the "Osaifu-Keitai lock setting"
of usage
Initial 1234
value
Notes...on...Usage
53