FAQ - Does my Nokia E71 device scan the Wi-Fi when it is in standby?

Nokia E71 scans the Wi-Fi if Show WLAN available (or Switch WLAN scan) is selected Yes. Even when the phone is in standby or the display is off. You can limit the scan by defining the scan interval on the settings.

Select Menu > ToolsSettings > Connection > Wireless LAN > Scan for networks.