Absolutely POOR wifi Galaxy s3 ATT SGH-i747

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Absolutely POOR wifi Galaxy s3 ATT SGH-i747

Anyone else experiencing poor wifi?  This is pretty rediculous and frustrating.

 

Yes, I have changed channels on N and G, isolated to either N OR G independantly.

Yes, I did try different methods of encryption.

 

Anyone have any fixes for this?  I dont believe this is a software/algorithm issue.  Purely hardware.

 

Fail.

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