Mine does this also. I see it is continually scanning and showing different available wife connections even though I have a good connection to my home router.
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I also have a Samsung Galaxy 8.0 and it does the samething as my SG3, it scans for a WiFi signal every 5 seconds even when it connected to a router. Could it be an android problem?
I'm not sure if this is related, but my WiFi notification will come up even when I've turned WiFi off. I can't say it's happened since we got the update though.
Galaxy S3 and Xoom (time for a new Tablet soon!)
I believe scanning only takes place if your on the wifi settings screen, all ICS+ devices continue scanning while looking at the access point settings screen...even if connected to an AP.
If your being notified about AP's while connected to an AP the issue is something other than the device scanning every 5 seconds.
My phone also scans for wifi networks. I'm pretty sure this is normal. It shouldn't affect your battery drain at all though.
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