The Internet connection can be used for many functions in your mobile phone, such as using the Internet browser, receiving e-mails and installing apps. You'll be able to access the Internet as soon as you've inserted your SIM card into your mobile phone. If this isn't the case, you can set up your mobile phone for Internet manually.
Find " Mobile Network"
Slide your finger down the display starting from the top edge of your mobile phone.
Press Network Connections.
Press Mobile Network.
Edit data connection
Press the settings icon.
Enter the APN
Press the field below "Access Point Name (APN)" and key in gprs.swisscom.ch
Return to the home screen
Slide your finger up the display starting from the bottom edge of your mobile phone to return to the home screen.