No wifi on iphone 4s ios 8.02 or 8.0

my iphone 4s is on 8.0.2 and when i go to settings/wifi no wifi signals show up and when i try to connect to my wifi manually it says 'cannot scan for wirelss networks'
i have tried restoring multiple times to and from 8.0 - 8.02
i have tried restting network settings multiple times
i have tried rebooting multiple times
also when i got to settings/general/reset and erase all content and data, when going through the start up process, i can connect to my wifi but as soon as i get to the iphones homepage after about 20-30s i will lose connection and wont be able to connect again
any ideas on how to fix this?

I see no mention of you trying to reboot your router. Have you done that? If not, you should.
Also try these tips: http://osxdaily.com/2014/09/22/ios-8-wi-fi-problems-fix/

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Hola, tu problema le ocurre a mucha gente y por lo que he podido leer por aquí, no está del todo claro si es un problema de hardware únicamente o de hardware combinado con el software pero en cualquier caso te resumo los pasos que han mejorado el problema para mucha gente y quizá alguno de pueda ayudar.
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Hola, tu problema le ocurre a mucha gente y por lo que he podido leer por aquí, no está del todo claro si es un problema de hardware únicamente o de hardware combinado con el software pero en cualquier caso te resumo los pasos que han mejorado el problema para mucha gente y quizá alguno de pueda ayudar.
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I have an article for you that can help you continue to troubleshoot this issue with the Wi-Fi on your iPhone. The article can be found right here:
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http://support.apple.com/kb/ts1398
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Welcome, sorry to hear your news, there are numerous threads on this issue. Try the trouble shooting on the other threads, I do not recommend sticking it in the freezer or heating with a hair dryer though,
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