H2O Wireless APN Settings for Windows Phone

H2O Wireless USA 4G LTE Internet and Settings for Windows Mobile 11, 10,  Microsoft Surface Pro 8, Surface Pro X, Studio, Pro7+

H2O 4G LTE APN for Windows Phone

In your Windows Phone Go to Settings -> Network & Wireless -> Cellular & SIM Settings -> Add Internet APN

INTERNET APN
APN: att.mvno
User name: Blank
Password: Blank
Proxy server (URL): Blank
Proxy Port : Blank
IP Type :Ipv4
MMS APN
APN: att.mvno
User name: Blank
Password: Blank
WAP Gateway (URL): proxy.mvno.H2OMobileweb.com
WAP gateway Port : 80
MMSC:  http://mmsc.cingular.com
MMSC Port: Blank
Maximum MMS Size: 1024
IP Type :Ipv4