A number of icons on the standby display show different settings. Follow these instructions to see a list of display icons.
3G (UMTS) enables you to achieve higher data speeds than when using other network modes.
Active data connection
HSDPA is a high speed data connection and it's only available in 3G networks. Your phone automatically switches to HSDPA when it's available.
When your phone is connected to a Wi-Fi network, you can connect to the internet without using the data connections on your phone. Wi-Fi is high speed and no data charges will apply when using Wi-Fi.