Videotron APN Settings for Windows Phone
Vidéotron Internet and MMS Settings for Windows 10 Mobile and Windows Phone 8.1 (Nokia and Microsoft Lumia)
Windows phones have not had updates for years. If you have moved to a newer phone, follow the Vidéotron APN settings for Android or the Vidéotron APN settings for iPhone.
Vidéotron APN for Windows 10 Mobile
On Windows 10 Mobile tap Settings -> Network & wireless -> Cellular & SIM -> SIM settings -> Add an internet APN

INTERNET APN
Profile Name: Vidéotron
APN: media.videotron
User name: Blank
Password: Blank
Sign-in type : None
IP Type :Ipv4
Proxy server (URL): Blank
Proxy Port : Blank
MMS APN
Profile Name: Vidéotron MMS
APN: media.videotron
User name: Blank
Password: Blank
Sign-in type : None
IP Type :Ipv4
Proxy Server : Blank
Proxy Port : Blank
MMSC (URL): http://media.videotron.com
MMSC Port: Blank
Maximum MMS Size (KB): 1024