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Settings
• If you enter a incorrect PIN code 3
consecutive times, the PIN code is locked
and you cannot use the code. In this case,
enter "PIN Unblocking Key" (PUK) to unlock
and then set PIN code again.
Enter PUK (8 digits) → "OK" → Enter a new
PIN code → "OK" → Enter the PIN code
again → Tap "OK".
• In Airplane mode, PIN code entry screen
does not appear; when the Airplane mode
is disabled, the PIN code entry screen
appears. In Airplane mode, a PIN code entry
screen does not appear when docomo nano
UIM card is attached to the terminal or turn
the power of the terminal on.
■ PUK code
The PUK code is an 8-digit number for
canceling the locked PIN code. The PUK code
cannot be changed by yourself.
• If you enter a incorrect PUK code 10
consecutive times, the docomo nano UIM
card is locked. If it locked, please contact a
docomo Shop.