Sharp AQUOS sense3 Instruction Manual page 49

Setting the PIN code
You can protect against unauthorized use by entering a PIN
code when the power is turned on.
1
In the home screen, select "apps
[Settings]▶[Security &
[Set up SIM card lock]▶[Lock SIM card]
2
Enter a PIN code▶[OK]
In Japan, you cannot make a call to the emergency number
z
(110, 119 or 118) when a docomo nano UIM card is not
inserted, while the PIN code is locked or from the PUK (PIN
Unlock Key) entry screen.
The setting is saved on the docomo nano UIM card.
z
Changing the PIN code
This can be changed only when [Lock SIM card] is set.
1
In the home screen, select "apps
[Settings]▶[Security &
[Set up SIM card lock]▶[Change SIM PIN]
2
Enter the current PIN code▶[OK]
3
Enter a new PIN code▶[OK]
4
Enter the new PIN code again▶[OK]
folder"▶
location]▶[Advanced]▶
folder"▶
location]▶[Advanced]▶
Disabling PIN lock
1
In the PIN locking screen, enter PUK (PIN
Unlock Key)
2
Enter a new PIN code
3
Enter the new PIN code again
47
Before Using the Handset