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I have a Nexus 4, and finally decided yesterday to update to Android 5.0, after being fearful of bug reports. And wouldn't you know it, I've found a nasty bug.

Nearly every time I try to display the list of Wifi networks in the Settings, the system freezes for about a minute, then I get prompted saying

Settings isn't responding.
Do you want to close it?
REPORT WAIT OK

If I wait long enough (by hitting 'wait' or 'report'), then I eventually get the list of wifi networks, and everything appears to work normally* from that point.

If it's relevant, my phone also has the problem described in this question, and the update to Lollipop didn't fix it. So I'm thinking a factory reset may be in order....

*I say normally, I had to wait a similar amount of time to authenticate to the network at Starbucks through the authentication web site, but once I was authenticated, everything appeared to work normally. I have no idea if this is actually a related problem, so I only mention it in passing.

  • I won't be any consolation, but I have the exact same symptoms you observe on my Nexus 4 and have been search forever for a solution and no suggestion I tried works. – kynan Nov 30 '14 at 10:26
  • @kynan: Did you try a factory reset and it didn't help? – Flimzy Nov 30 '14 at 12:12
  • I did not, but considering it since it has become pretty much unbearable... – kynan Nov 30 '14 at 13:56
  • I had something similar happen to a friend. Just switched wifi off and back on and it worked. Can't suppose you haven't tried it though. – aandis Dec 18 '14 at 11:57
  • I did a factory reset from the official Google images and have the same bug on my Nexus 4 – Mike Gleason jr Couturier Dec 26 '14 at 2:58
1

I had this problem recently and solved it by removing old saved networks in the WiFi settings. I found that there were a huge number of networks with names that were strings of letters and numbers.

  1. To remove saved networks open 'Settings' and choose 'Wi-Fi' (and wait for it to load).

  2. From the 3-dot menu choose 'Saved networks'.

  3. You should see a list of networks in a similar format to those shown below: WiFi Listing

  4. Remove any you don't recognise (tap the network name and tap 'Forget'): WiFi Delete

Once all of the unrecognised names have been removed the list of WiFi networks should load without freezing the system.

NOTE: I have found that this can occur again after a while, in which case repeat the steps above.

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  • I didn't find any "unrecognized names"... but there were a ton of wireless networks stored after 2+ years of extensive travel and connecting to random networks all over the place. I have removed those I don't frequently use, and will see how things perform now. Thanks for the tip. – Flimzy Jul 20 '15 at 14:23

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