Ever since upgrading to iOS 5 my iPhone(s) have problems auto joining my home wifi network.

They seem to auto join it for a few days and then it just stops working. The phone can still see the wifi networks if I go to settings->Wi-Fi, and once I do it will even auto-join it after a few seconds. However; it only remains connected for a few minutes and then disconnects.

The only solution I've found so far is switching my Router's channel from auto to a specific number. That works for a few days and then stops working again, if i bump the channel number in either direction it then works for a few more days.

This was a problem with my iPhone 4 after upgrading to iOS 5 and has been a problem with my iPhone 4s since purchase.

My (original) iPad has no issues and remains connected regardless of what I do to the router channel.

  • Have you tried telling your iPhone to forget the network and then re-joining it after it's forgotten? – Ian C. Feb 8 '12 at 15:51
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    Yup. However; I should also note that I use a hidden SSID. – Randyaa Feb 9 '12 at 14:45
  • It may be an issue with your router. My iPhone works just fine with my hidden SSID (except if it sees a non-hidden one it knows about, it will tend to join it first). – asmeurer Apr 28 '13 at 0:51
  • It's not clear if this ever was resolved and it's also not clear if this question applies in general with changes to iOS, hardware. If anyone needs this open for an answer, please edit it and then flag for moderator review. – bmike May 28 '15 at 13:29

Apple recommends not using hidden SSID's. There's no security in hiding them and as you have found out, it causes a problem with iOS devices discovering and joining the network after they come out of sleep mode.

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    That's not an answer. I want a hidden SSID. – Randyaa Apr 14 '12 at 19:36
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    That is the answer. It keeps dropping the connection because you have a hidden SSID. – Matt Jul 20 '12 at 14:49
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    @R.M. Not much, if any. Put a card in rfmon mode, and capture an association packet, and you have the SSID (even on a hidden SSID network). And you can often force reassociation. – derobert Sep 23 '12 at 15:11
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    Can you document Apple recommending non hidden SSID or provide a bug report that documents this being broken? I've not had such experience and would be interested to know if there is actually something technical to what you state. – bmike Nov 20 '12 at 18:42
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    @bmike - howtogeek points out that hiding your ssid is, more-or-less, pointless: howtogeek.com/howto/28653/… – warren Mar 2 '15 at 3:13

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