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Access codes
169
PUK2
Note: This service is not available on your O2 Pay &
Go mobile.
The PUK2, supplied with some SIM cards, is
required to change a blocked PIN2.
If you key in an incorrect PUK2 ten times in
succession, you cannot use the functions requiring
the PIN2. Contact your service provider for a new
card.
You cannot change the PUK2. If you lose the code,
contact your service provider.
Call barring password
The 4-digit call barring password is required when
you use the Call Barring function. You obtain the
password from your service provider when you
subscribe to this function.
You can change this password using the Change
barring password menu option (Menu 3.2.7). For
further details, see page 76.