Nokia Lumia 520 - Which wireless (WLAN) security standards are supported on my Nokia Lumia phone?

NokiaLumia with Windows Phone 7 supports the WPA, WPA2 and WEP security standards. EAP-FAST is not supported.

Nokia Lumia with Windows Phone 8 supports the WPA, WPA2(AES+TKIP), WEP, PEAP-MSCHAPv2, EAP-SIM and EAP-AKA security standards.

You can manage the wireless connections in Settings > System > WiFi (WLAN).