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Old March 27th, 2012, 11:28 AM   #1 (permalink)
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Default sudden death of Wifi (galaxy nexus)

I just bought galaxy nexus for a week (not rooted).
However, the wifi could not be used since last night.

When i tried to "on" the wifi, it appeared like as follows:
IMG_20120328_000637.jpg
IMG_20120328_000606.jpg

so i tried to download the apps "alogcat" to see what happened.
From the apps, it shows the wifi device could not be found (?)
IMG_20120328_000742.jpg

Although similar questions might be asked before, I hope u guys can help me to fix this problem. Thank you very much!

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Old March 27th, 2012, 11:30 AM   #2 (permalink)
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Hmm, have you tried a factory reset? Can't say I ever use my wifi so I'm not sure.
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Old March 27th, 2012, 11:33 AM   #3 (permalink)
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Originally Posted by dreadnatty08 View Post
Hmm, have you tried a factory reset? Can't say I ever use my wifi so I'm not sure.
Thank you for the suggestion.

I have not tried yet.

any data lost if i do so?
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Old March 27th, 2012, 11:35 AM   #4 (permalink)
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Assuming you've already tried a battery pull, I think a factory reset might be the next step on this one. Odd that there's no MAC or IP. Did you buy this phone used?
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Old March 27th, 2012, 11:40 AM   #5 (permalink)
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Originally Posted by iowabowtech View Post
Assuming you've already tried a battery pull, I think a factory reset might be the next step on this one. Odd that there's no MAC or IP. Did you buy this phone used?
Thank you.

Sorry, i cannot get the meaning of "battery pull". Can you explain more?

This is my first time to use smartphone. I know little knowledge about it. Sigh.
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Old March 27th, 2012, 11:46 AM   #6 (permalink)
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Quote:
Originally Posted by tsns7911 View Post
Thank you.

Sorry, i cannot get the meaning of "battery pull". Can you explain more?

This is my first time to use smartphone. I know little knowledge about it. Sigh.
No problem, that's what we are here for.

I mean to physically remove the battery and leave it out for a minute or so. This action has been known to clear up a multitude of glitches on smartphones. Always give that a try first before considering more drastic measures.
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Old March 27th, 2012, 11:55 AM   #7 (permalink)
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Originally Posted by iowabowtech View Post
No problem, that's what we are here for.

I mean to physically remove the battery and leave it out for a minute or so. This action has been known to clear up a multitude of glitches on smartphones. Always give that a try first before considering more drastic measures.
Thank you!

i have tried this before but the problem cannot be fixed.

btw, I just guess that this problem is related to hardware (the wifi device is out of order). Is it possible?
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Old March 27th, 2012, 12:23 PM   #8 (permalink)
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Quote:
Originally Posted by tsns7911 View Post
Thank you!

i have tried this before but the problem cannot be fixed.

btw, I just guess that this problem is related to hardware (the wifi device is out of order). Is it possible?
Anything is possible but hopefully it is not a hardware issue. I would try a factory reset. If that does not fix the issue, you may be correct about the problem being hardware related, not a good thing.

As to your earlier question, you may retain some of your apps/data by going into the phone's settings, then the backup and reset menu and make sure "Back up my data" is selected. You may also wish to select the "Automatic Restore" option. I have had hit and miss success with all apps/settings being restored in this fashion honestly but in theory it should work. You may have to set up some items on the phone after the reset, namely system settings such as ringtone, notification choice, etc.

It can be a slight pain but it's not really too bad and the situation you are currently in is much worse I'd dare say. One more thing, make sure you don't have a market app installed who's purpose is to control & manage wi-fi settings. If that were the case, it COULD be an app related issue not allowing the wi-fi to function correctly. Just trying to cover all bases.
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Old March 27th, 2012, 12:49 PM   #9 (permalink)
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Is it just one router you're having issues with or all? Have you tried restarting your router and/or IP address?
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Old March 27th, 2012, 09:37 PM   #10 (permalink)
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Quote:
Originally Posted by dreadnatty08 View Post
Is it just one router you're having issues with or all? Have you tried restarting your router and/or IP address?
Indeed. The logs uploaded indicate a problem finding the hardware address itself, not resolving an IP address through the Nexus phone. Have you tried connecting to another router or internet device?
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Old March 27th, 2012, 10:35 PM   #11 (permalink)
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The thing that's troubling though is that even with a bad router, you should be able to turn on wifi in the phone's settings. It just wouldn't work on that particular network perhaps but it would scan for others in the process.

And, that MAC address in the advanced menu of wifi settings is your phone's MAC. Why wouldn't it be showing?

I even disabled my wifi and it still showed my MAC. At that time, IP was listed as unavailable which makes sense of course.
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Old April 19th, 2012, 05:40 AM   #12 (permalink)
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I have two Galaxy Nexus phones (being used for software development).
One of them can't be unlocked - it is never seen by fastboot.
In fact, ADB can't see it any more (it used to be seen).
The other one is fine.
The one I can unlock had working WiFi until a couple of days ago - now it just refuses to connect.
So it's not the router as one of the two phones can connect.
I've tried factory reset without joy.

Any ideas?
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Old June 28th, 2012, 09:47 PM   #13 (permalink)
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Default same

i have same problem to..
this is a hardware issue?
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Old August 12th, 2012, 10:06 PM   #14 (permalink)
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Default Bump

I have the exact same problem as the thread originator. This occured on a an Andriod 4.0.1 OS. I did a manual update to 4.1.1 with the Galaxy Nexus ToolKit and this did not fix the problem.
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Old August 12th, 2012, 10:31 PM   #15 (permalink)
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Are you by any chance using wifi mac id filtering on your router? I only ask because there is a known but rare problem with some phones that cannot get an ip address from their router. I won't go into it here unless you confirm that this is the case, but if it is, there is a solution available.
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Old August 12th, 2012, 11:15 PM   #16 (permalink)
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This isn't a question of whether or not I can connect to a router or not (please take a look at the author's posted pictures). The WIFI button is grayed out and does not turn on.
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Old August 13th, 2012, 03:34 PM   #17 (permalink)
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Had my Nexus do the same thing. Felt a lot of heat from battery. Read somewhere the radio gets fried. Anyways, call VZW and they sane me a replacement. The new Nexus is working fine.
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Old November 21st, 2012, 03:48 PM   #18 (permalink)
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I have exactly the same problem. I am sure that it is hardware problem. I've even installed custom firmware(Paranoid Android) and no positive results.
Quote:
11-21 21:17:33.751: E/WifiStateMachine(323): Failed to setup control channel, restart supplicant
11-21 21:17:38.104: E/WifiStateMachine(323): Unable to change interface settings: java.lang.IllegalStateException: command '3872 interface setcfg wlan0 0.0.0.0 0 down' failed with '400 3872 Failed to set address (No such device)'
11-21 21:17:38.549: E/wpa_supplicant(16762): nl80211: Could not configure driver to use managed mode
11-21 21:17:38.549: E/wpa_supplicant(16762): Could not read interface wlan0 flags: No such device
11-21 21:17:38.549: E/wpa_supplicant(16762): wlan0: Failed to initialize driver interface
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Old April 2nd, 2013, 10:19 AM   #19 (permalink)
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Default nexus galaxy - wifi dies

Pulling the battery out of the phone will fix the problem...until the problem comes back. Each time it comes back, you will NOT be able to turn wifi on and your mac an ip addresses will be lost until you pull the battery again.
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Last edited by seabiscuit; April 2nd, 2013 at 10:21 AM. Reason: needed to complete last thought.
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