TS3694 someone worked on my cousins iphone 4s. for some reason they did not do a backup on itunes. when she got home the wifi was dim and I could not connect to our wifi. I have been to every site including apple, but still cant get wifi to let me hook up

Please help me to get the wifi out of being dim so I can connect again.

This almost always means there is a hardware failure that requires replacing the phone.  However, first try the suggestions in this support article:
iOS: Wi-Fi settings grayed out or dim

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