i was unable to connect an older microsoft surface pro to the t-mobile wifi, but all my other devices could connect. the network name was visible, but when i tried to connect i got an error stating that i could not connect to that network. i have a t-mobile black tower model FAST 5688W. first thing i did was insure that my wireless network adapter was up to date. i then disable and then enable the network adapter. i then tried connecting again and got the same error. i then logged into the t-mobile internet app and created a second wifi network. i set new network's frequency band to “2.4 GHz” and the WPA Version to “WPA2”. i used this new network name to connect to my surface pro and the connection was successful. i left all my other devices connected to the original network.
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