Several functions on the phone require an internet connection, e.g. when you use the internet browser, send email and install apps.
Solution: Set up your phone for internet
Slide two fingers downwards starting from the top of the screen.
Press Network and Internet.
Press the name of your SIM.
Press Access point names.
Key in Telstra Internet and press OK.
Key in telstra.wap and press OK.
Press Authentication type.
Key in default and press OK.
Press the field next to the data connection to activate it.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
Step 1 of -
Slide 1 is active