User Guide
Page 40
... follow the instructions to enter your pattern. Caution: If you need to draw your PIN unlock code (PUK code) when prompted. Note: Your PUK code is provided by your PIN unlock code. PUK code To unlock your SIM PIN, you enter an incorrect PIN code three times, your phone locks your SIM card and asks for your service provider.
... follow the instructions to enter your pattern. Caution: If you need to draw your PIN unlock code (PUK code) when prompted. Note: Your PUK code is provided by your PIN unlock code. PUK code To unlock your SIM PIN, you enter an incorrect PIN code three times, your phone locks your SIM card and asks for your service provider.