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Old September 11th, 2012, 11:27 PM   #1 (permalink)
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Default Wifi Authentication Error Occurred - Galaxy S3 on 4.0.4

Hi all,

I have a Samsung Galaxy S3 that was originally on firmware 4.0.3 (what was shipped with the device). Everything was working fine, I was able to connect to my wifi at home no problems.

I received an OTA upgrade to 4.0.4. Ever since then, everytime I try to connect to my home wifi, I get the "Authentication Error Occurred" message. My router settings have not changed, my password has not changed - all other devices in my household are able to connect to the wifi without any issues.

I have tried rebooting my phone, rebooting my router. I have also tried factory resetting both my phone and my router - no luck. My wifi has a WPS function - I also tried using this without any success (no authentication error occurred message - just times out when trying to use the push button or pin technique).

I have disabled mac address filtering, firewalls etc. the most bizarre thing is, i turned off my router security (i.e. no security settings) and i STILL get authentication error occurred message.

The weird thing is, it seems to work on some routers and not others. I am able to connect to my parents wifi, and my friends wifi, but not my own, and not at my work (was previously able to prior to upgrading to 4.0.4).

Another weird thing - my router is dual band - 2.4GHz and 5GHz. I am able to connect to the 5Ghz band, but not the 2.4Ghz band. Using 5Ghz is not an option for me though, as the range is quite poor. I need to be able to use the 2.4Ghz band.

I'm at my wits end, I dont know what else to do. Does anyone else have this problem? Has anyone had any luck fixing it? Does anyone have any suggestions?

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Old September 17th, 2012, 07:04 PM   #2 (permalink)
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I'm having the same problem. although I can connect occasionally, but quite frequently it drops out saying "authentication error occurred"

I reentered my details. same problem.
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Old September 24th, 2012, 06:53 AM   #3 (permalink)
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I'm having the exact same problem that started last week. When I try to connect, "incorrect password" flashes at the bottom of the screen for a quick second, then I get "authentication error occurred" for every WiFi network I try connecting to....even networks that aren't encrypted and don't require a password.

I've tried resetting the phone and router, performed a factory reset on the phone, WPS push button and pin connection method and nothing seems to work.

The guys at the T-mobile store couldn't fix it, T-Mobile tech support couldn't fix it. Looks like I will be doing a warranty exchange.
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Old September 26th, 2012, 12:06 PM   #4 (permalink)
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OK here's something interisting for you guys:

Until 2 weeks ago, I had a motorola razr which was factory running Gingerbread. The Wifi was working flawlessly. Then, my service supplier pushed an OTA update to ICS 4.0.4 and immediately upon rebooting, I lost the connectivity to my home wifi (which uses WPA). I have tried everything, literally everything, to no avail. The only way to make it work was to reboot the access point. Then, an accident happened and I replaced the razr with the GS3 which came factory with ICS 4.0.4 as well.... Same problem. Cant connect to my wifi. I have tried again resetting the access point to factory settings, reset the phone to factory setting, etc.. nothing helps except a reboot on the wifi access point.

Using the Terminal application (for the real Linux geek I could see these messages in dmesg:

1|app_166@umts_spyder:/ $ dmesg | grep wlan
<6>[ 0.340820,0] print_constraints: vwlan1: 1800 <--> 1900 mV
<6>[ 0.341644,0] print_constraints: vwlan2: 3300 mV
<6>[ 5.130767,0] regulator_init_complete: vwlan1: disabling
<6>[ 38.087188,0] ADDRCONF(NETDEV_UP): wlan0: link is not ready
<7>[ 39.915771,0] wlan0: authenticate with 1c:af:f7:dd:7b:55 (try 1)
<7>[ 39.919342,1] wlan0: 1c:af:f7:dd:7b:55 denied authentication (status 17)

Looking on Google, I am leaning toward a bug in ICS in regards to Wifi protection (WPA2).... Somehow, I think that the device is trying to send or connect to the access point with an encrypted passphrase or something else and due to encryption problems, is corrupted and therefore rejected by the access point.

Anyways, this is not acceptable for a device I am paying for. Period. I have lost wifi so no more Exchange server sync which means potential problems with business matters. Like they said in Apollo 13 "Gentlemen, this is NOT acceptable!"

I am blaming Android and NOT the phones. Same OS, different phones, different manufacturers. Tonight I will try to disable the wifi power saving mode and see if it helps. Have you tried it yet???
 
Last edited by lpallard; September 26th, 2012 at 12:13 PM.
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Old September 27th, 2012, 11:57 PM   #5 (permalink)
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That was a really interesting post lpallard

Good to see that you were able to prove that it was a firmware / device issue rather than a WLAN / Router configuration issue.

I tried disabling power saving mode on wifi too, no luck.

I am wondering whether this issue only happens on routers with WPS? It seems odd that I am able to connect to some routers and not others. The only thing I have been able to narrow it down to is the routers i am able to connect to do not have WPS. Disabling WPS on my router did not work though
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Old September 28th, 2012, 06:42 AM   #6 (permalink)
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thanks for your comments! yes it's a very frustrating bug... and we're not the only ones.. the biggest frustration is the complete lack of support. I emailed Google several times, opened a bug report on the android bugs but they did not reply to my emails and nobody followed up with the bug report.

my service supplier has completely washed me away saying that they are not responsible for android and to contact the phone manufacturer which I did. same thing, no response from them either.

I too have tried the WiFi power saving mode to no avail.. I will try some more stuff and post back.

all I can say for now: android is broken and nobody wants to admit it.
 
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Old October 7th, 2012, 10:55 PM   #7 (permalink)
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has anyone found a solution to this problem yet?
 
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Old October 7th, 2012, 11:27 PM   #8 (permalink)
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I have no problem with our dlink DIR-628 router using WPA2 on 2.5GHz. I did read somewhere that the s3 doesn't like certain brand of routers. I'm on the latest 4.0.4. firmware.
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Old October 7th, 2012, 11:37 PM   #9 (permalink)
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My service provider has not yet released a newer firmware than 4.0.4 but I cant wait because it's crippled with bugs.

What does the 4.0.4 doesn't like about certain routers?

Funny how all phones and laptops that ever got here were connecting to my router but suddenly my former Motorola Razer running 4.0.4 stopped connecting and this galaxy thing is not able to connect either..

Strange coincidence eh??
 
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Old October 7th, 2012, 11:51 PM   #10 (permalink)
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I don't really know what exactly ICS doesn't like about other routers. I just remembered it was ppl having problems with NETGEAR routers. Oh one more thing to check. Try not using the AUTO frequency setting and just pick 2.5GHz ONLY to see if that helps.
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Old October 10th, 2012, 10:30 AM   #11 (permalink)
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All, as it was suggested on my Google bug report, please report your issues to Google in my bug report available at

Issue 36993 - android - wifi no longer working in ics 4.0.4 - Android - An Open Handset Alliance Project - Google Project Hosting

so issues with Wifi can be prioritized and fixed ASAP.
 
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Old October 17th, 2012, 08:45 AM   #12 (permalink)
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i think i got it i was having the same wifi issue on my new gs3 that was less than 24hrs old i changed the encryption from aes to tkip and its been working so far
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Old October 17th, 2012, 11:17 AM   #13 (permalink)
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Hey XI3XPLICITIX, as I suggested earlier on this thread, if you have a Google account also please post your findings or hints or any valuable info for that matter on my Google Bug Report. Google is probably (I am sure) not looking on forums like this one to see what problems people are having...

By posting on Google Android bug reports, we stand a chance for Google to see our problems.

My bug report is #36993.

Thanks!
 
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Old November 2nd, 2012, 03:58 AM   #14 (permalink)
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Default Ditto

Quote:
Originally Posted by lpallard View Post
All, as it was suggested on my Google bug report, please report your issues to Google in my bug report available at

Issue 36993 - android - wifi no longer working in ics 4.0.4 - Android - An Open Handset Alliance Project - Google Project Hosting

so issues with Wifi can be prioritized and fixed ASAP.
Yup, so I, too, have same issues, same info. Random loss of wifi. I added myself to this link of victims... hopefully, it will addressed soon! Thanks.
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Old November 3rd, 2012, 03:07 AM   #15 (permalink)
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Quote:
Originally Posted by frosty17 View Post
Hi all,

I have a Samsung Galaxy S3 that was originally on firmware 4.0.3 (what was shipped with the device). Everything was working fine, I was able to connect to my wifi at home no problems.

I received an OTA upgrade to 4.0.4. Ever since then, everytime I try to connect to my home wifi, I get the "Authentication Error Occurred" message. My router settings have not changed, my password has not changed - all other devices in my household are able to connect to the wifi without any issues.

I have tried rebooting my phone, rebooting my router. I have also tried factory resetting both my phone and my router - no luck. My wifi has a WPS function - I also tried using this without any success (no authentication error occurred message - just times out when trying to use the push button or pin technique).

I have disabled mac address filtering, firewalls etc. the most bizarre thing is, i turned off my router security (i.e. no security settings) and i STILL get authentication error occurred message.

The weird thing is, it seems to work on some routers and not others. I am able to connect to my parents wifi, and my friends wifi, but not my own, and not at my work (was previously able to prior to upgrading to 4.0.4).

Another weird thing - my router is dual band - 2.4GHz and 5GHz. I am able to connect to the 5Ghz band, but not the 2.4Ghz band. Using 5Ghz is not an option for me though, as the range is quite poor. I need to be able to use the 2.4Ghz band.

I'm at my wits end, I dont know what else to do. Does anyone else have this problem? Has anyone had any luck fixing it? Does anyone have any suggestions?
I had the same problem with my Galaxy Tab 10.1. The 4.0.4 upgrade stopped connecting with the authentication error. Nothing else changed. I noticed that on a first attempt it connected ok then tried again and failed. I checked my router and noticed i had SSID2 enabled. when I disabled this it connected ok. Hope it might help your situation.
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Old December 15th, 2012, 01:23 PM   #16 (permalink)
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Got this after the 4.1.1 update where I was not with 4.0.4.

I did a factory reset after the update to rule out hardware but same thing happened. Instead of using the traditional method of entering a network key I used the WPS function and my wifi works. Something is broke on our wifi, software related. i'm not rooted to do a log of the error and don't really care much as long as there was a way to get back on my home network.

Try using WPS, bottom line.

My router is ASUS ASUS RT-AC66U Dual-Band Wireless-AC1750 Gigabit Router
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Old December 27th, 2012, 08:46 AM   #17 (permalink)
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Default Same thing

My Note 2 loses wi-fi connection and then gives the authentication error. Then I put in the network authentication key. Even though I 'Save' the key the phone doesn't seem to remember it. Seems like that's the problem or at least one of them.
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Old December 29th, 2012, 10:00 AM   #18 (permalink)
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I'm having the same issues - have tried all the various suggestions re Sleeping/Notifications etc. And know it's not my network as my partners Ace 2 connects easily every time.

Does anyone have a solution yet?
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Old December 29th, 2012, 06:03 PM   #19 (permalink)
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Default Try without Wireless N

I have a Dual Antenna Linksys E3000 running: DD-WRT v24-sp2 (04/13/11) big, I had this problem while using the same ssid for both antennas with one of those antennas configured as Wireless N 5ghz only. I tried switching the N only ssid so that it was unique (appeared as a separate entry in available wireless aps) and connecting to it resulted in the same authentication error, while connecting to the original ssid (which was configured for NG-Mixed) worked as expected.

Essentially try removing Wireless N from the equation or at the very least ensure that it's not the only option. The devices seem to recognize N as the preferred mode, and therefore are trying to connect using it, however if it's the only option on the antenna being connected to then the connection seems to just fail.
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Old January 2nd, 2013, 07:19 AM   #20 (permalink)
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Default Authentication error occurred

Hi
having the same issue on my Note2 after updating the firmware last week. can connect to all wifi networks except my home network. solution pls.......
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Old January 2nd, 2013, 07:40 AM   #21 (permalink)
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I only ge tthis issue when signal from the router is too weak to actually connect. Noticed it a few days ago in my office where we have a router set for low power.
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Old January 3rd, 2013, 07:22 PM   #22 (permalink)
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Default After 4.1 release

I had this same issue when they released the Jelly Bean update. I have cisco wireless router where I work that handle everything. I have never not had anything not connect to these bad boys. I also have an update home router that it has connection issues with as well. I mean it is kinda embaressing the only person who can't connect to wifi is the IT guy.

Any who I tried all the methods above except the linux one. I didn't want to mess with it since it is a different build but I rooted to another Jelly Bean rom and yet the same errors. I have also tried random wireless locations and to no avail. This is definitely something with the wireless buildout or I might have a broken phone. I might take it to verizon but then I have to flash back to stock.

I am going to post this on a couple of developer threads and see if they have seen it as well.
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Old January 9th, 2013, 04:49 PM   #23 (permalink)
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A solution: I encountered this same problem on my Galaxy SIII while my wife's had no problem at all connecting to our WIFI network. On another forum I read the suggestion to change my router's wireless security encryption from aes to tkip. So I changed it to aes+tkip -- and much to my very pleasant surprise, my phone connected to our WIFI network! So I'd like to suggest at least trying this change on your router to see if it might just solve the problem. Who knows?
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Old January 12th, 2013, 02:52 PM   #24 (permalink)
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Quote:
Originally Posted by Szadzik View Post
I only ge tthis issue when signal from the router is too weak to actually connect. Noticed it a few days ago in my office where we have a router set for low power.

I have a Galaxy S3 with 4.1.1. Android Version and I started experienced the error issue after upgrading from the prior version.

The "connection" error showed up sporadically against my Netgear N Router with WPA2-PSK security around the house. After further testing, this is what I found out.

Without changing my phone settings or the router's, I stood up directly in front of the Wireless router to do the following:

On the phone only:
1) Forget the connection
2) Turn off WIFI
3) Turn on WIFI
4) Let the phone scan the home network
5) Reenter security password

After that, I got a valid IP address and the phone stayed connected around the whole house.

My guess is that there is a bug on the new Android version where the signal threshold gets corrupted during synch intervals. Did Google lower the standard on software reliability? I hope not and that a software fix be done soon.
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Old January 18th, 2013, 08:56 PM   #25 (permalink)
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Default Wifi Authentication Error on Galaxy S3

I am also having the same issue. But sometimes it get connected automatically but in some cases it says Authentication Error. I also noticed this after runnig the JB update.

Anyway sometime when I tired with *#0011# and change the wifi power saving mode off, it got connected but its not working all the time.

If anybody found any solution pls share as its really irritating..
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Old January 22nd, 2013, 09:31 PM   #26 (permalink)
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Solution:

I have a Note 2 and this same thing happened to me right after the 4.1.1. update. Here's how I fixed it:
  • Get on your PC and temporarily change your router's key.
  • Connect your phone and PC's wi-fi with the new key.
  • Change it back, and connect with the original one.
Works fine now.
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Old January 23rd, 2013, 04:43 PM   #27 (permalink)
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Default 4.1.2

I have the same problem. I cannot to my own wifi. It sometimes say incorrect password. Sometimes it says authenticity problem. If there is a solution please I need help
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Old March 14th, 2013, 10:10 PM   #28 (permalink)
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Quote:
Originally Posted by CharlieMX View Post
I have a Galaxy S3 with 4.1.1. Android Version and I started experienced the error issue after upgrading from the prior version.

The "connection" error showed up sporadically against my Netgear N Router with WPA2-PSK security around the house. After further testing, this is what I found out.

Without changing my phone settings or the router's, I stood up directly in front of the Wireless router to do the following:

On the phone only:
1) Forget the connection
2) Turn off WIFI
3) Turn on WIFI
4) Let the phone scan the home network
5) Reenter security password

After that, I got a valid IP address and the phone stayed connected around the whole house.

My guess is that there is a bug on the new Android version where the signal threshold gets corrupted during synch intervals. Did Google lower the standard on software reliability? I hope not and that a software fix be done soon.
CharlieMX, Thanks for that. After day of frustration it worked for me nice one.
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Old March 19th, 2013, 04:19 AM   #29 (permalink)
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Quote:
Originally Posted by frosty17 View Post
Hi all,

I have a Samsung Galaxy S3 that was originally on firmware 4.0.3 (what was shipped with the device). Everything was working fine, I was able to connect to my wifi at home no problems.

I received an OTA upgrade to 4.0.4. Ever since then, everytime I try to connect to my home wifi, I get the "Authentication Error Occurred" message. My router settings have not changed, my password has not changed - all other devices in my household are able to connect to the wifi without any issues.

I have tried rebooting my phone, rebooting my router. I have also tried factory resetting both my phone and my router - no luck. My wifi has a WPS function - I also tried using this without any success (no authentication error occurred message - just times out when trying to use the push button or pin technique).

I have disabled mac address filtering, firewalls etc. the most bizarre thing is, i turned off my router security (i.e. no security settings) and i STILL get authentication error occurred message.

The weird thing is, it seems to work on some routers and not others. I am able to connect to my parents wifi, and my friends wifi, but not my own, and not at my work (was previously able to prior to upgrading to 4.0.4).

Another weird thing - my router is dual band - 2.4GHz and 5GHz. I am able to connect to the 5Ghz band, but not the 2.4Ghz band. Using 5Ghz is not an option for me though, as the range is quite poor. I need to be able to use the 2.4Ghz band.

I'm at my wits end, I dont know what else to do. Does anyone else have this problem? Has anyone had any luck fixing it? Does anyone have any suggestions?
Hey Guys,
Usually "authentication error" error messages refer to a type of second level of security in addition to the pass phrase you've assigned to your wireless router especially if the ‘wireless access point’ is enabled. In this case your galaxy s3 will wifi connect to your computer with the pass phrase but stop short at the wireless access point to return the ‘authentication error’ message.

To fix this, you will need to enter the MAC address of your galaxy s3 in the “wireless station access list”. First go to your galaxy s3 settings page and press ‘about device’, press ‘status’ and scroll half way down and take note of the Wi-Fi MAC address.

Go back to your computer and log back in to the router and navigate to the ‘Wireless Settings” page and click on the ‘Setup Access List’ button. In the ‘Add New Station Manually’ area, enter a device name, enter the Wi-FI MAC address without the semi colons and click ‘Add’. Your Galaxy s3 device is now listed in the table of ‘Trusted Wireless Stations’. Ensure that the check box for ‘Turn Access Control On’ is checked. Click ‘Apply’ and log out.

As I use a netgear router, the wireless settings pages may be slightly different but the words should be similar.

The ‘authentication error’ message should not appear again.
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Old April 3rd, 2013, 12:27 PM   #30 (permalink)
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Authentication Error Occured: I have tried all the forum suggestions. Does not matter if iam trying to connect to the local coffee shop free wifi or my work wifi.. did all the suggested router reconfigurations..not a single suggestion has helped me. This seems to have occured around the time of the recent Verizion update if not a little before.
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Old April 3rd, 2013, 02:29 PM   #31 (permalink)
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Authentication Error Occured: I have tried all the forum suggestions. Does not matter if iam trying to connect to the local coffee shop free wifi or my work wifi.. did all the suggested router reconfigurations..not a single suggestion has helped me. This seems to have occured around the time of the recent Verizion update if not a little before.
Same for nearly every Android users who upgraded to ICS or newer..

I have also tried everything I could try, that including hacking my GS3. Someone on the bug report I've opened LAST SEPTEMBER (!) on Google Issue 36993 - android - wifi no longer working in ics 4.0.4 - Android - An Open Handset Alliance Project - Google Project Hosting has mentioned that Samsung replaced a component in his Galaxy S3 because defective. I wonder if its some kind of generalized problem that would affect everyone? Perhaps a component that failed in the phone?

It took a while but I managed to get Samsung to send me a prepaid label to send my phone for repair after that person on my bug report mentioned they repaired his. I received the prepaid label, but about a week (when I was just about to send the phone) they cancelled the service ticket!! Since then, they no longer reply to my emails..

Maybe I was just unlucky (so are thousands of customers) but IMO something is REALLY fishy... really.
 
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Old April 9th, 2013, 04:38 PM   #32 (permalink)
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Quote:
Originally Posted by CharlieMX View Post
I have a Galaxy S3 with 4.1.1. Android Version and I started experienced the error issue after upgrading from the prior version.

The "connection" error showed up sporadically against my Netgear N Router with WPA2-PSK security around the house. After further testing, this is what I found out.

Without changing my phone settings or the router's, I stood up directly in front of the Wireless router to do the following:

On the phone only:
1) Forget the connection
2) Turn off WIFI
3) Turn on WIFI
4) Let the phone scan the home network
5) Reenter security password

After that, I got a valid IP address and the phone stayed connected around the whole house.

My guess is that there is a bug on the new Android version where the signal threshold gets corrupted during synch intervals. Did Google lower the standard on software reliability? I hope not and that a software fix be done soon.
thank you much it worked on the first try
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Old April 10th, 2013, 04:42 PM   #33 (permalink)
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thank you much it worked on the first try
My guess is that it wont last very long. I certainly hope the opposite but I have tried this a while back and next day I was back at square 1.
 
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Old April 19th, 2013, 03:57 PM   #34 (permalink)
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I solved the authentication problem by re-entering my Network Key (rather than my password)
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Old April 21st, 2013, 05:02 PM   #35 (permalink)
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Originally Posted by wvuguy View Post
I solved the authentication problem by re-entering my Network Key (rather than my password)
By network key what do you exactly mean? All I have in my access point is a "Pre-shared Key"which all wireless devices are gladly using without a single glitch and its always been like that except for this samsung garbage phone...

I dont know what else other than your wifi password (or pre-shared key as its called by Dlink) you entered on your phone..
 
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Old April 22nd, 2013, 02:57 PM   #36 (permalink)
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I was experiencing the same issues, tried all suggestions listed on various forums, I was even given a replacement handset and the problem still persisted. I then decided to purchase a new router, googled which router was best for the handset and came upon a virgin media thread where I found the answer. Our existing router is old and was set to WEP security - this handset does not support that setting. I have just changed our router settings from WEP to WPA personal/AES+TKIP entered a new pass phrase and my phone logged in straight away, all I then had to do was re-login all other wifi devices. Hope this helps
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Old April 26th, 2013, 08:30 PM   #37 (permalink)
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Not being an IT guy how do you do this? Routers for dummies please! Thank you in advance!!! I have an Arris Router, Network Name (SSID) Encrypt WPA/WPA2 - TKIP-AES. I really don't know how to change anything you guys are saying? Heeeelp
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Old April 29th, 2013, 11:18 PM   #38 (permalink)
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i am having the problem... its happened with my ASUS transformer too! it happened all at the same time... including my laptop! all my other devices work!!! and the ones that dont work, work at my parents house and everywhere else, except for at home! i have tried everything!!!!!!!!!
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Old August 9th, 2013, 12:39 PM   #39 (permalink)
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Talking Connection Error

Quote:
Originally Posted by CharlieMX View Post
I have a Galaxy S3 with 4.1.1. Android Version and I started experienced the error issue after upgrading from the prior version.

The "connection" error showed up sporadically against my Netgear N Router with WPA2-PSK security around the house. After further testing, this is what I found out.

Without changing my phone settings or the router's, I stood up directly in front of the Wireless router to do the following:

On the phone only:
1) Forget the connection
2) Turn off WIFI
3) Turn on WIFI
4) Let the phone scan the home network
5) Reenter security password

After that, I got a valid IP address and the phone stayed connected around the whole house.

My guess is that there is a bug on the new Android version where the signal threshold gets corrupted during synch intervals. Did Google lower the standard on software reliability? I hope not and that a software fix be done soon.
I had same problem after i upgraded my S3 to 4.2.2, I tried everything possible but I couldnt connect.
Then I went right beside the home router and did exactly as below:
On the phone only:
1) Forget the connection
2) Turn off WIFI
3) Turn on WIFI
4) Let the phone scan the home network
5) Reenter security password

So, I think after new update the phone software still hold on to some settings from the previous version which are conflicting ... or the low signal reception as pointed out by some members.
The bottomline is, going by this method fixed the problem, and my phone has been connecting very well since then.
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Old September 7th, 2013, 12:57 PM   #40 (permalink)
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For galaxy S3,

Did the 'in front of wifi router' steps, and additionaly this:

You could maybe check for WiFi power saver mode:

1) *#0011#
2) menu (left) key
3) WiFi
4) Check if WIFI Power Save Mode is ON -> change to OFF
5) back, back, back

Can't really figure out what was the problem, since I've used
power mode ON for months and everything was fine.

Hope that helps someone else...

tx,
Xezi
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Old October 1st, 2013, 12:55 PM   #41 (permalink)
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My experience with this error message is that it really depends on the received signal(s) and possibly having several network with the same SSID and the channel in use.

I have indeed 3 Wifi access points in my house. All are configured with the same password and encryption: WPA2 (AES). They also all have the same SSID and same channel. My purpose is to get a very good signal anywhere without having to take care of picking the best network myself (This is actually just a best practice).

But at some locations in my house, where I get either a poor signal or two signals of quite the same strength, I get the infamous "Authentication Error Occurred" message with my Galaxy SII (Android 4.1.2). I get this message whatever access point I am trying to connect from those locations (if several accessible).

First, it's important to notice that at the very same locations, my Sony Vaio laptop can connect without any issue. Reason why I also conclude it's an Android/S3 issue and not a router/access point issue. I can also at the very same time connect using my tablet with Android 4.0.4 (a Nabi 2).

Next, moving away from those locations (only a few meters), I can successfully connect quite immediately (I simply have to disable and re-enable the Wifi on my Galaxy SII). But in such cases, although I moved from only a few meters, I am now at a location where I get one signal much stronger than the others.

My access points are "DEVOLO DLAN 200 Wireless N". They only support WPA(TKIP) or WPA2(AES). So I tried to reconfigure them to use WPA(TKIP), as suggested here, but it didn't solve the issue.

I also tried to use shorter password (min is 8 chars) without success. But I admit I didn't try to connect using WPS (which is supported by my DEVELO).

I also tried to completely disabled the encryption for testing purpose, but as I am not mad I did enable the MAC filtering (which I don't use usually). In that mode, the connections succeed really more often, but not always. I still get from time to time the message mentioned above. And there is at least one location where I can never connect with my Galaxy SII although I can with my laptop: my bed

During my tests, I am monitoring the wireless signals using "Wifi Analyzer", to be sure that the signal keeps "stable". So, this is not presumed to be the issue either. And anyway, I do the same test simultaneously (I.e.: I enable the Wifi and wait for a connection) with my Galaxy SII Android 4.1.2 and my Nabi 2 Android 4.0.4. At some locations, only the Nabi 2 get the connection. But if I disable the Wifi, move from a few meters and re-enable it on both devices, then, I get the connection also on the Galaxy. When located on my bed, I can repeat the test 10 times with the very same outcomes.

Did I finally solve this issue... Maybe... I have switched from channel 6 to channel 13 on all my access points and I can now connect flawlessly from all the locations where I was experiencing issues. That being said, there are possibly some other locations where I will experience the problem. But for sure, changing the frequency has an impact on the reception!

As far as choosing the right channel is concerned, here in Europe, it's well known that frequency 2450 GHz is the one used by microwave ovens. So, those could possibly disturb the Wifi channel 9 and 10. But if your does, change it immediately ! Radiation that escapes from a microwave oven while it is in use may not exceed 5 mW (per cm2 at a distance of 5 cm). So, if your experience Wifi issues when using your oven, the leakage radiation is probably exceeding that limit. It happens as some of my colleagues have already experienced.

Next, I just discovered that frequency from 2400 to 2450 MHz (channel 1 to 8) are used by "ham radio" who are therefore maybe impacting the use of our Wifi (especially as they go up to 120 watts while Wifi is usually around ~18-30 mWatts). Check within your neighborhood if anyone has such a hobby. This could likely be the case if you experience issues only during certain period of the day (e.G.: the evening) or during the weekend.

Channels 1, 5, 9 and 13 are known to be used by some wireless transmitter and camera (at least here in Europe). As I don't have such device, and taking into account this info about the frequency used by "ham radio", I decided to use 9 or 13.


O.
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Old October 3rd, 2013, 09:32 AM   #42 (permalink)
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Default authenication error

I am also experiencing the wifi authentication error on my samsung note 2. Have tried numerous fixes including various different roms and apps with no success. I have tried several different wifi routers and always the same results (including having the wifi open with no password, will still give me authenication error), BUT as long as I'm within 5 feet of the router it'll work (as soon as I move farther away and try and re-connect I get the authenication error). All other devices connecting (my IP cameras, laptop, wife & sons cells) to same routers are not having any issues. Any help would be much appreciated.

thanks

DF
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Old January 4th, 2014, 10:52 AM   #43 (permalink)
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POSSIBLE FIX:I got the galaxy 3 tablet yesterday, it connected to Wi-Fi no problem then today I got the authentication error, tried reboot, forget network, reconnect, etc with no luck. My password was correct and I have a the galaxy 3 phone which connects with no issues as well as all other devices. So, I went into the modem settings and changed my security type from WPA-WPA2-personal to WPA-personal and PROBLEM FIXED.
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Old March 3rd, 2014, 03:23 PM   #44 (permalink)
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It appears this thread is at its conclusion or nearly there (hope not!). Has anyone found a working solution? WiFi access on ALL frequencies on my 1 year old SGH-I317 was flawless until I recently had to factory reset (for other reasons) my SGH-I317 running on Android 4.3 and now I cannot connect to anything using 5GHz in the WiFi spectrum. I have tried different WiFi devices at home (3 of them) and at my workplace (1 of many) and the phone keeps reporting the dreaded "Authorization error occurred". The 2.4GHz freq appears to work fine to all those WiFi devices, and the phone connects quickly and without issue at that freq. All the home WiFi routers work fine with other 5GHz clients such as my HP laptop, my wife's iPhone 5 and my son's Samsung Galaxy S4, so I am not about to run out and buy new WiFi devices or do factory resets on these routers. The 4GLTE with AT&T is also not affected.

I was not sure if there was an application that I may have installed that was causing the problem after the factory reset, so I did the factory reset again and before loading any additional apps, I tries to connect at 5GHz and still the same error.

I have tried the obvious forget network, stop and start WiFi and connect again fix (no joy), the "*#0011#" fix (interesting, but no joy) and several other remedies but with no success.

Is this a JellyBean/Android issue, a security protocol (AES) problem or what?

Thanks for any help
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Old March 15th, 2014, 06:31 PM   #45 (permalink)
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Default authentication error

Quote:
Originally Posted by frosty17 View Post
Hi all,

I have a Samsung Galaxy S3 that was originally on firmware 4.0.3 (what was shipped with the device). Everything was working fine, I was able to connect to my wifi at home no problems.

I received an OTA upgrade to 4.0.4. Ever since then, everytime I try to connect to my home wifi, I get the "Authentication Error Occurred" message. My router settings have not changed, my password has not changed - all other devices in my household are able to connect to the wifi without any issues.

I have tried rebooting my phone, rebooting my router. I have also tried factory resetting both my phone and my router - no luck. My wifi has a WPS function - I also tried using this without any success (no authentication error occurred message - just times out when trying to use the push button or pin technique).

I have disabled mac address filtering, firewalls etc. the most bizarre thing is, i turned off my router security (i.e. no security settings) and i STILL get authentication error occurred message.

The weird thing is, it seems to work on some routers and not others. I am able to connect to my parents wifi, and my friends wifi, but not my own, and not at my work (was previously able to prior to upgrading to 4.0.4).

Another weird thing - my router is dual band - 2.4GHz and 5GHz. I am able to connect to the 5Ghz band, but not the 2.4Ghz band. Using 5Ghz is not an option for me though, as the range is quite poor. I need to be able to use the 2.4Ghz band.

I'm at my wits end, I dont know what else to do. Does anyone else have this problem? Has anyone had any luck fixing it? Does anyone have any suggestions?
I've had the same problem with my phone (galaxy s3) since the last update. I've gone through all of the troubleshooting suggestions as far is rebooting and resetting hardware, with no solutions. I found that by changing the name of my network, my phone was able to connect to my wifi.
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