Switch the phone on and off
To switch the phone on or off, press and hold the power key.
If the phone prompts for a PIN code, enter the code (displayed as ****).
If the phone prompts you for the time and date, enter the local time, select the time
zone of your location in terms of the time difference with respect to Greenwich Mean
Time (GMT), and enter the date.
See "Date and time", p. 32.
When you switch on your phone for the first time, you may be prompted to get the
configuration settings from your service provider (network service).