PUK codes
The personal unblocking key (PUK) code and the universal personal
unblocking key (UPUK) code (8 digits) are required to change a blocked
G e n e r a l i n f o r m a t i o n
10
PIN code and UPIN code, respectively. The PUK2 code is required to
change a blocked PIN2 code.
If the codes are not supplied with the SIM card, contact your local
service provider for the codes.