Three UK APN Settings for Windows Phone
Three UK 4G LTE APN Settings for Windows Phone 8.1 ,10 Nokia Lumia
Three Windows Phone APN
In your Lumia Windows Mobile Go to Settings -> Cellular -> SIM Settings -> Add Internet APN
INTERNET APN
APN: three.co.uk
User name: Blank
Password: Blank
Proxy server (URL): Blank
Proxy Port : Blank
IP Type :Ipv4
MMS APN
APN: three.co.uk
User name: Blank
Password: Blank
WAP Gateway (URL): 217.171.129.2
WAP gateway Port : 8799
MMSC: http://mms.um.three.co.uk:10021/mmsc
MMSC Port: Blank
Maximum MMS Size: 1024
IP Type :Ipv4