Iridium 9555 User Manual page 153

Menu
Security
Select Back
Security
Phone Lock
Sim lock
Change PIN
Select Back
Change PIN
Phone PIN
SIM PIN
SIM PIN 2
Call barring PIN
Select Back
1
DEF
3
2
ABC
4
MNO
6
GHI
5
JKL
7
9 WXYZ
PQRS
8
TUV