Good Morning 
Posting on behalf of my husband who is with another network (rolls eyes). He has an S3 (unbranded), did the upgrade, and never rebooted as I told him too and kept getting the wireless unstable message. I sat and backed up, reset, and restored his phone the other night and he is STILL getting the message - hes in a bit of a bad temper now as you can imagine as I promised him it would work.
Connected up through Kies3 which said he has the most recent firmware too - at a loss now. The phone works perfectly well I just hear lots of grumbling at his phone every now and then.
All ideas welcome!
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It's a common bug but does not effect phone function at all.
Some have had success by clearing the cache (2 or 3 times sometimes necessary) and also turning off "auto network switch" in advanced WiFi settings also helps some, but ultimately it's a compatibility issue with some routers so there's not much else you can do except wait for an update to fix it.
Some have had success by clearing the cache (2 or 3 times sometimes necessary) and also turning off "auto network switch" in advanced WiFi settings also helps some, but ultimately it's a compatibility issue with some routers so there's not much else you can do except wait for an update to fix it.
- 144335 Posts
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- 27666 Solutions
It's a common bug but does not effect phone function at all.
Some have had success by clearing the cache (2 or 3 times sometimes necessary) and also turning off "auto network switch" in advanced WiFi settings also helps some, but ultimately it's a compatibility issue with some routers so there's not much else you can do except wait for an update to fix it.
Some have had success by clearing the cache (2 or 3 times sometimes necessary) and also turning off "auto network switch" in advanced WiFi settings also helps some, but ultimately it's a compatibility issue with some routers so there's not much else you can do except wait for an update to fix it.
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I can confirm this is exactly what happened to mine (and my husbands S3's) We upgraded with the help
of MI5's brilliant guides) and apart from this Wifi unstable message everything else was as it should be
We both find that actually the Wifi isn't affected at all...so we have 'written it off' as an error message
with no substance 
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Normally, what happens is that on some routers the phone "thinks" there is a poor connection when there is actually nothing wrong with it.
Of course, if the router fails or WiFi drops out it should also throw the message.
Of course, if the router fails or WiFi drops out it should also throw the message.
