i can't access http://att.elevate on sierra wireless 754s
I have AT&T Mobile Hotspot Elevate 4G / sierra wireless 754s, the device unlocked and seem work when conneting internet ot open any web. The issue is i cant get acces setting menu to change wifi or ather setting. I did all instructions to connect to login admin http://att.elevate or http://192.168.1.1. but it was not work. It say on browser
This site can’t be reached
att.elevate refused to connect.
I still can open any web or using wifi , please help how to soilve this issue