Samsung GT-I9023 Unblock a SIM, Turn off the phone, Power, Power off

Your phone and accessories 14

Unblock a SIM

If you enter the wrong SIM-unlock PIN three times, the SIM card is blocked and you can’t use your phone except to dial an emergency number. You must obtain a PIN Unblocking Key (PUK) from your carrier to unblock the SIM and set a new PIN.

►Dial the following, replacing “PUK” with the PUK from your carrier and replacing both instances of “PIN” with a 4- to 8-digit PIN of your choosing: **05*PUK*PIN*PIN#

Turn off the phone

1Press & hold the Power button until a menu opens.

2 Touch Power off in the menu.

3 Touch OK when asked to confirm that you want to turn off the phone.

For more about working with the touchscreen and menus, see the Android User’s Guide.

Nexus S Owner’s Guide