Small left right arrows appear next to wifi icon has stopped use of wifi

[AC Question]

Wifi has been fine right up till now a small left to right icon has appeared next to the wifi icon and wifi is no longer accessible what can I do?

 

[nahoku]

Not sure what phone you have so go to Settings > About phone... and see if there's an Icon glossary. Perhaps the icon will show up on the list and you can find out what it means.