Why won't my Galaxy S4 not switch back from 4g to Wifi when everything else is working?

[AC Question]

why won't my galaxy s4 not switch back from 4g to Wifi when everything else is working

The Wifi setting won't change from off to on when I manually try to click it over

 

[FiveOverEight]

Re: why won't my galaxy s4 not switch back from 4g to Wifi when everything else is working

Under Settings > Connections > WiFi should be an auto toggle between WiFi and 3/4G, whichever is stronger.