Wifi issues stops working fixes itself after reboot

[bobright]

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So I am having this issue on my 4S anybody know what the problem is? Should I return/swap?

It doesn't happen all the time but say a few times a week wifi all of a sudden stops working. I try on/off under settings reset router etc still doesn't work. It fixes itself once I reboot my phone.

 

[Ksizzle9]

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My wife had a co worker with a 4S that he claimed wouldn't connect to wifi, said it wouldn't scan. I thought, idiot it's brand new. She talked him into letting me check it out and it wouldn't do a thing. I would have it replaced.

 

[bobright]

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Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)

My wife had a co worker with a 4S that he claimed wouldn't connect to wifi, said it wouldn't scan. I thought, idiot it's brand new. She talked him into letting me check it out and it wouldn't do a thing. I would have it replaced.

Well mine does work if I took it in I wouldn't even be able to demonstrate the problem as it works probably 97% of the time. It's just random that sometimes it loses connection and it takes a phone reboot or eventually on its own connects again.