How can I get the wifi button on my iPhone 4 working?

[iMore Question]

i have phone 4 and the wifi botton is not working

the wifi botton Is black I have shut down the device and nothing help

 

[Just_Me_D]

Re: i have phone 4 and the wifi botton is not working

Go to Settings → General → Reset, and then select "Reset Network Settings".

 

[Ledsteplin]

Re: i have phone 4 and the wifi botton is not working

Or choose forget this network. Then sign back in to wifi.