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CM9 w/ Galaxy tab 2 7.0 = Wifi probem

First, i've search this forum and google for this problem for my tablet... but no answer.
I've made the move to flash my Samsung Galaxy Tab 2 7.0 (GT-P3113) using the [ROM][GT-P31XX][4.0.4] CyanogenMod 9 but i cannot get my WiFi working.
The tablet on stock firmware see my wifi without problem, connection is fast... but when I apply the CM9 rom, i cannot get the wifi working. What I have is the tablet is blocking when the TAB try to optain the IP.
When the tablet is scanning my network, the signal is very good, i enter my password, and cannot go further. I've try to change the channel from auto (by default) of choose channel manually 1 to 6, try to change the encryption from WPA2 or WPA... no luck.
Does someone can help me to solve this problem?

I had a similar problem and I had to disable and then re-enable wifi on my router. Found out later that other wifi devices were having issues too. Rebooting the router would give you a similar result.

imnuts said:
I had a similar problem and I had to disable and then re-enable wifi on my router. Found out later that other wifi devices were having issues too. Rebooting the router would give you a similar result.
Click to expand...
Click to collapse
I've try to rename my network, don't work... Excuse my english is not very good, so you suggest to me to "reboot" my router? Can you explain a little bit?
Thanks!
edit: Ok i've reboot the router, working!!!
Thanks dude!

I'm running CM 9 with MetalliKernel, only my home wi-fi gave me an issue at first.
I simply restarted my router. My tab works great tetherd to my phone also, and at Starbucks, etc.

[SOLVED] P6200 XXMC3 Official JB 4.1.2 WiFi problem

Hi there
P6200 WiFi+3G
So I installed the new official release for Open Austria JB 4.1.2 but I am having a BIG annoying problem with WiFi :/
I tried to connect to my router which is WPA2/PSK secured but it just doesn't wanna connect! stuck on connecting then "saved" and nothing happens!
I've tried everything and every method:
wipe data/factory reset
re-flash
rebooting both my router and the tablet
changing my router's security to WPA,WEP and OPEN
It used to work just fine with Aorth's port of CyanogenMod 10 but I wanna use the official release!
Any help appreciated, thank you
P.S: I solved the issue by ignoring the feature and using this workaround found HERE

my wifi is working fine
maybe at one time i also had the same problem. i restarted my router and it was solved. now it is working fine.

Maybe country code is not set correctly , was a problem with me before, malaysian tab in US, search WiFix manager in PlayStore. Also wifi Connection Manager free by roamingsoft is a good app to get you connected and stay connected.
Also check your router to make sure you are on a channel that not many other people are, for less interference. Good luck. Wifi has been working without issues for me on JB.

chrisrotolo said:
Maybe country code is not set correctly , was a problem with me before, malaysian tab in US, search WiFix manager in PlayStore. Also wifi Connection Manager free by roamingsoft is a good app to get you connected and stay connected.
Also check your router to make sure you are on a channel that not many other people are, for less interference. Good luck. Wifi has been working without issues for me on JB.
Click to expand...
Click to collapse
I tried both apps but unfortunately it still doesn't wanna connect :/

I think that the only possible solution to get the wifi drivers from HC 3.2 stock rom or from any other p6200 working rom.
If someone could help me with that, I would really appreciate it

if wifispot is not visible then try to change chanel on router i had similar problem on stock ics only chanels 1-6 was visible idk

I have tried to change the channel to 11 and also changed SSID to a short one but still same results.
I have got this message too: "authentication error occurred"
The weird thing that when I made my network set to OPEN, I got this message!

zombiezoom said:
I have tried to change the channel to 11 and also changed SSID to a short one but still same results.
I have got this message too: "authentication error occurred"
The weird thing that when I made my network set to OPEN, I got this message!
Click to expand...
Click to collapse
change the channel to 2

DigitalMD said:
change the channel to 2
Click to expand...
Click to collapse
Still the same :/

Switched to ParanoidAndroid 3.15 and WiFi is working like a charm!

zombiezoom said:
Switched to ParanoidAndroid 3.15 and WiFi is working like a charm!
Click to expand...
Click to collapse
I wouldn't expect everything to work for the US when you install a European ROM release like the XXMC3

I am actually from Egypt ^^
and the annoying thing when I had XXMC3 that WiFi was connecting just fine with other networks but not my own!

DigitalMD said:
I wouldn't expect everything to work for the US when you install a European ROM release like the XXMC3
Click to expand...
Click to collapse
I too have the same problem !!!
The European version is JB is the XXMC3, .... but I'm in Italy! and the wifi does not work, and it worked perfectly with ICS.
I think the problem is similar to that of the Galaxy Note 2, but I do not know comne solve it.
I tried to do all the wipe, but nothing to do. Can anyone help me?

same problem here works with SOME routers but mostly it just says "saved, secured" or just authentication problem on open wifi
tried format / factory setting, reflash nothing works
had the same problem with 4.0.4 but it went away for some reason after a while

I have same problem
kasra.sixx said:
same problem here works with SOME routers but mostly it just says "saved, secured" or just authentication problem on open wifi
tried format / factory setting, reflash nothing works
had the same problem with 4.0.4 but it went away for some reason after a while
Click to expand...
Click to collapse
I have same problem with My Galaxy Tab P6200.
When I connect to a fine wifi : "type password -> authentication -> obtaining ip address -> Connected"
With my wifi when I typed password it's say: "saved, secured" and no wifi icon.
I have an ADSL router and connect to wifi router, wifi router like a bridge network, so DHCP in wifi router is disabled.

thanhkhoi0604 said:
I have same problem with My Galaxy Tab P6200.
When I connect to a fine wifi : "type password -> authentication -> obtaining ip address -> Connected"
With my wifi when I typed password it's say: "saved, secured" and no wifi icon.
I have an ADSL router and connect to wifi router, wifi router like a bridge network, so DHCP in wifi router is disabled.
Click to expand...
Click to collapse
sounds like a UK vs US problem in the setup on your device. Try changing the wireless AP channel to channel 1 or 2 and see if that fixes it. If so, that is the problem. In UK mode, it won;t see wireless channels above 6

zombiezoom said:
Switched to ParanoidAndroid 3.15 and WiFi is working like a charm!
Click to expand...
Click to collapse
have experienced the same problem before, problem not with your tab but your router (something to do with router not able to automatically adjust or identify your tab after the upgrade and detecting a conflict), try going to your tab advanced wifi settings, select static i.p. address and input manually your tab i.p. hope this solves your problem

Im having the exact same problem that the OP had. Was a solution ever found, other than flashing another ROM? Id like to keep the factory JB but no wifi is a big problem. Any help would be greatly appreciated.
How do I change the channel on my router to 2? I havent tried that yet.

P6200 JB 4.1.2 WIFI problem
zombiezoom said:
I am actually from Egypt ^^
and the annoying thing when I had XXMC3 that WiFi was connecting just fine with other networks but not my own!
Click to expand...
Click to collapse
Hi i am also from Egypt. I can see that no more one replying about this topic. I mean here the WIFI connectivity for the P6200 for the JB 4.1.2. Does anyone has any solution?

I found a workaround! using my PC to share its Internet connection with my tablet via USB Reverse Tethering! 100% working
THREAD LINK

Nexus 5 WiFi 802.1X EAP (PEAP+MSCHAPv2) Not connecting

I've been trying to connect to my college's wifi for the past 30 minutes and I still can't seem to get it to connect. I copied the settings straight from my Nexus 7 that is running 4.2.2. I might install a custom kernel right now and see if it alleviates this problem.

Does ist?

Nexus 5 android L factory image same issue, i tryed with every version of the preview and official image and doesn't work.
With kitkat work perfectly and custom kernel don't solve the issue

I flashed yesterday the official build and it doesn't connect to a network like the one you described. I guess they need to fix some things, this is not acceptable.

I have the same problem on Android 5 on my Nexus 9. But my Nexus 5 (upgraded from KitKat, not freshly installed) connects fine to our work WiFi (PEAP).

Really? Wow, but i cant believe that nobody had the same issue while preview.
Do you have the MASCHAPv2 Authentifiaction?

Cum said:
Really? Wow, but i cant believe that nobody had the same issue while preview.
Do you have the MASCHAPv2 Authentifiaction?
Click to expand...
Click to collapse
Hello guys,
I can confirm this has been happening since the "preview version" on the Nexus5, we've the same configuration (PEAP+MSCHAPv2) and we've the same issue with our wireless network with these devices.

But why doesnt google know it?

Cum said:
But why doesnt google know it?
Click to expand...
Click to collapse
Just found it in the issue tracker. It was reported 3 days ago.
https://code.google.com/p/android/issues/detail?id=79045
---------- Post added at 12:39 PM ---------- Previous post was at 12:21 PM ----------
mlecuona said:
Just found it in the issue tracker. It was reported 3 days ago.
https://code.google.com/p/android/issues/detail?id=79045
Click to expand...
Click to collapse
Seems to be in multiple trackers:
https://code.google.com/p/android-developer-preview/issues/detail?id=1548
https://code.google.com/p/android/issues/detail?id=78702

I posted that logcat with my friend

I've tried to configure our Wireless LAN Controller with WPA2 EAP-TLS+CCMP support and this configuration it's working well for our Nexus 5 devices. I don't know if you could configure your wireless network with this encryption support but you should consider it.

I know nothing of these wifi protocols but what I noticed is I cannot connect to networks with secondary login on a Web page.
I am freaking out... All networks at work are like that and cannot connect to any.
This started happening yesterday after flashing the 5.0 image.

Steve.99 said:
I know nothing of these wifi protocols but what I noticed is I cannot connect to networks with secondary login on a Web page.
I am freaking out... All networks at work are like that and cannot connect to any.
This started happening yesterday after flashing the 5.0 image.
Click to expand...
Click to collapse
Hello Steve,
That's the same issue that was affected to me until that I tried to use WPA2 Enterprise with EAP-TLS+CCMP encryption for our Nexus 5 devices with Android 5.0. Would you be so kind as tell me about your wireless access point model and manufacturer? I could try to explain how you can configure your network in order to resolve this issue or at least say if this configuration is possible with your wireless access points.
Regards

freeumind said:
Hello Steve,
That's the same issue that was affected to me until that I tried to use WPA2 Enterprise with EAP-TLS+CCMP encryption for our Nexus 5 devices with Android 5.0. Would you be so kind as tell me about your wireless access point model and manufacturer? I could try to explain how you can configure your network in order to resolve this issue or at least say if this configuration is possible with your wireless access points.
Regards
Click to expand...
Click to collapse
Will get all the info I can but I am working night shift so it will be hard to get info. Access points are all like 30 feet high so I cannot just take a look. What I know it's a Bell Canada network if this is any help.
One thing is sure is that the network will not be reconfigured for me to access it. I will need to adapt to the network. All was fine on 4.4.4.

Steve.99 said:
Will get all the info I can but I am working night shift so it will be hard to get info. Access points are all like 30 feet high so I cannot just take a look. What I know it's a Bell Canada network if this is any help.
One thing is sure is that the network will not be reconfigured for me to access it. I will need to adapt to the network. All was fine on 4.4.4.
Click to expand...
Click to collapse
I understand your situation but the PEAP-MSCHAPv2 is broken now with Android 5.0. I think that your unique option if you don't want to change nothing in your wireless access point infrastructure, is perform a downgrade to 4.4.4. This is obvious, I know.
Anyway you should consider to study change your wireless security to EAP-TLS+CCMP in order to avoid some issues inherent of MSCHAPv2 protocol related to some protocol vulnerabilities that could permit to attack your wireless network with a brute force attack.
I'm not familiar with Bell canada Network but it's possible that you have a wireless lan controller in order to centralize your wireless lan management, probably that wireless lan controller have information about your access points.

That seems to be the problem.
mbirth said:
I have the same problem on Android 5 on my Nexus 9. But my Nexus 5 (upgraded from KitKat, not freshly installed) connects fine to our work WiFi (PEAP).
Click to expand...
Click to collapse
Yeah... I can confirm that these issues are only with FLASHING factory images. I tried that and it didn't connect to my work wifi (CISCO routers). But my friend did OTA update. Its working fine for him.
I think there is some problem with factory images. Going back to 4.4.4 for now, and will do OTA.

I tried following:
Flash 4.4.4 Factory Image.
Wipe Data and Cache.
Sideload OTA 5.0.
Wipe Data and Cache.
But I cant connect to eduroam WiFi. MASCHAPV2/PEAP.

kvin11 said:
Yeah... I can confirm that these issues are only with FLASHING factory images. I tried that and it didn't connect to my work wifi (CISCO routers). But my friend did OTA update. Its working fine for him.
I think there is some problem with factory images. Going back to 4.4.4 for now, and will do OTA.
Click to expand...
Click to collapse
I actually flashed the factory image. But without wiping everything aka. dirty flash. Connecting to the WiFi at work still works great.

mbirth said:
I actually flashed the factory image. But without wiping everything aka. dirty flash. Connecting to the WiFi at work still works great.
Click to expand...
Click to collapse
that may be the problem. i completely wiped the system. and its not working for me. dirty flash is more like OTA right? but manual, may be that previous settings are making it to work. when completely wiped.. its not able to connect.

Remove "pmf=1" from /data/misc/wifi/wpa_supplicant.conf and reboot, wifi works. Root required.

Lollipop Wifi Issues

Is anyone else experiencing wifi drop outs since updating to lollipop? I can't stay connected to my wifi for more than 5 minutes without it dropping out. When i go into wifi settings it keeps saying authentication problem even though my password is saved. It will suddenly reconnect when it wants to only to drop the connection again minutes later. Ive tried going into my router settings and switching channels but that did not fix the problem. If anyone else has had this issue did u happen to find a fix for it?

Lollipop causing my wi-fi to drop out
NinjaPerv said:
Is anyone else experiencing wifi drop outs since updating to lollipop? I can't stay connected to my wifi for more than 5 minutes without it dropping out. When i go into wifi settings it keeps saying authentication problem even though my password is saved. It will suddenly reconnect when it wants to only to drop the connection again minutes later. Ive tried going into my router settings and switching channels but that did not fix the problem. If anyone else has had this issue did u happen to find a fix for it?
Click to expand...
Click to collapse
Yes I too have this problem. Wi-fi can be fine for a while then it suddenly drops out and when I try to reconnect to my home router or any other it simply says authenticating then saved but never reconnects. Then randomly it connects when it wants. Tested the connection on my S4 with no problem but Nexus 7 (2013) had great wifi before the Lollipop arrived. Wish I had stayed with Kitkat. Cant find a fix anywhere so now my nexus is as good as useless to me. Very very disappointed Google member! ????

Hm do you guys also have a slower Internet connection after upgrading to lollipop? Somehow my Internet was lot faster on KitKat

I've deffo got a reduced wifi range since updating to Lollipop and it does seem to be a little slower also when data gets flowing

I'm too after lollipop upgrade I have lot of wifi and network connection lost in mobile 3g....

I flashed the kk radio and don't have anymore issues. Yes, kk radio with lollipop works nicely. Seems the issue is the lollipop radio.

silberj said:
I flashed the kk radio and don't have anymore issues. Yes, kk radio with lollipop works nicely. Seems the issue is the lollipop radio.
Click to expand...
Click to collapse
where would i find this kk radio and how to flash it because this wifi is driving me insane

NinjaPerv said:
Is anyone else experiencing wifi drop outs since updating to lollipop? I can't stay connected to my wifi for more than 5 minutes without it dropping out. When i go into wifi settings it keeps saying authentication problem even though my password is saved. It will suddenly reconnect when it wants to only to drop the connection again minutes later. Ive tried going into my router settings and switching channels but that did not fix the problem. If anyone else has had this issue did u happen to find a fix for it?
Click to expand...
Click to collapse
'
Nexus 7 2012 here. Just flashed 5.0 - EXACT same problem.
Did you ever find a fix?
---------- Post added at 12:28 AM ---------- Previous post was at 12:12 AM ----------
silberj said:
I flashed the kk radio and don't have anymore issues. Yes, kk radio with lollipop works nicely. Seems the issue is the lollipop radio.
Click to expand...
Click to collapse
The 5.0 factory images don't come with a radio.img, so we're presumably still using the same radio - are you using a cellular nexus?

Isn't WiFi a kernel thing rather than radio? My N10 which is having WiFi issues on Lollipop has no radio
Sent from my Nexus 10 using Tapatalk

NinjaPerv said:
Is anyone else experiencing wifi drop outs since updating to lollipop? I can't stay connected to my wifi for more than 5 minutes without it dropping out. When i go into wifi settings it keeps saying authentication problem even though my password is saved. It will suddenly reconnect when it wants to only to drop the connection again minutes later. Ive tried going into my router settings and switching channels but that did not fix the problem. If anyone else has had this issue did u happen to find a fix for it?
Click to expand...
Click to collapse
I also had strange issue related to wifi where it would just stop downloading at any random interval.... Reverted to kk ..and all sorted out... Lollipop can wait to get refined

Same issue WiFi won't stay connected and now won't even turn on! I reset it same thing!
Sent from my Nexus 5 using XDA Free mobile app

WiFi fix for me
amarie82 said:
Same issue WiFi won't stay connected and now won't even turn on! I reset it same thing!
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
After Lollipop (5.0), I had problems with my wi-fi connecting with my same Netgear N600 router/system I have always used. My phone would see my router both 2.5 and 5 GHz, but I would input my password and my phone would connect for a split second, then disconnect. I was able to connect to other open networks at church, stores, etc. by just inputting the password and would connect and stay connected. The phone also remembered passwords.
This seems to have worked for me:
I have McAfee Mobile Security and turned off web security and wi-fi security temporarily.
From Settings<Wi-Fi click 3 dots upper right corner<add network and manually input the network name<changed security to whatever you are using WEP, WPA/WPA2 PSK, etc< then input password <and save.
I entered the information for my 2.5 GHz and the 5.0 GHz strated working too.
Hope that helps someone.
Mike C

9878 said:
After Lollipop (5.0), I had problems with my wi-fi connecting with my same Netgear N600 router/system I have always used. My phone would see my router both 2.5 and 5 GHz, but I would input my password and my phone would connect for a split second, then disconnect. I was able to connect to other open networks at church, stores, etc. by just inputting the password and would connect and stay connected. The phone also remembered passwords.
This seems to have worked for me:
I have McAfee Mobile Security and turned off web security and wi-fi security temporarily.
From Settings<Wi-Fi click 3 dots upper right corner<add network and manually input the network name<changed security to whatever you are using WEP, WPA/WPA2 PSK, etc< then input password <and save.
I entered the information for my 2.5 GHz and the 5.0 GHz strated working too.
Hope that helps someone.
Mike C
Click to expand...
Click to collapse
I will definitely try that if I can get it to turn on. It just sits there for ever saying turning on WiFi and won't actually turn on!
Sent from my Nexus 5 using XDA Free mobile app

jb0ne said:
'
Nexus 7 2012 here. Just flashed 5.0 - EXACT same problem.
Did you ever find a fix?
---------- Post added at 12:28 AM ---------- Previous post was at 12:12 AM ----------
The 5.0 factory images don't come with a radio.img, so we're presumably still using the same radio - are you using a cellular nexus?
Click to expand...
Click to collapse
Yes, a Nexus 5. All the modems are available here: http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
---------- Post added at 10:26 AM ---------- Previous post was at 10:25 AM ----------
PeyWetWork said:
where would i find this kk radio and how to flash it because this wifi is driving me insane
Click to expand...
Click to collapse
All Nexus 5 Modems are here: http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
Flash like you would any other file from recovery.

silberj said:
I flashed the kk radio and don't have anymore issues. Yes, kk radio with lollipop works nicely. Seems the issue is the lollipop radio.
Click to expand...
Click to collapse
silberj said:
Yes, a Nexus 5. All the modems are available here: http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
---------- Post added at 10:26 AM ---------- Previous post was at 10:25 AM ----------
All Nexus 5 Modems are here: http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
Flash like you would any other file from recovery.
Click to expand...
Click to collapse
cheers
Flashed so will see how it is at work later tonight where i've been having endless wifi problems since updating

Try this: http://www.youtube.com/watch?v=8NGd50iJ83w should solve most issues.

gamer.11 said:
Try this: http://www.youtube.com/watch?v=8NGd50iJ83w should solve most issues.
Click to expand...
Click to collapse
Never used 12 or 13 anyway (still had problem on 11and lower. I use 5g while using the kk radio, I have not tried with lollipop radio. Essentially, let lollipop works with 5g as long as you have the kk radio installed. Thanks for your help, it's really amazing it hasn't been fixed by Google yet.

tried kk radio last night and it was deffo better than the lollipop radio but still got alot of dropouts which never happened on KK, had to turn wifi on and off again to get signal back

Possible solution to wifi speed issue.
Blackbox421 said:
Hm do you guys also have a slower Internet connection after upgrading to lollipop? Somehow my Internet was lot faster on KitKat
Click to expand...
Click to collapse
Try changing router dns, router wifi channel uninstall Adobe Air and anti virus.
I has having a 30 second delay getting a website to pull up or data access in all apps.
I did a bunch of things all at once so Im not sure which of the 3 fixed it.
I removed Google dns from my router.
Changed my wifi channel from auto (was on 1) to 6. Most of my neighbors were on channel 1. (interferance maybe(.
Removed AVG
Removed Adobe Air.
Yes I should only do one thing at a time but I was getting pissed.
Both my Nexus 5 and Nexus 10 had the same problem. My Nexus 5 worked perfectly fine on LTE though.
So I think it was probably the wifi channel or the dns server settings had gotten messed up somehow and changing these cleared it up.

I'm having the same problem on my Nexus 7. Wifi is slow and drops out every few minutes since I installing Lollipop. I factory reset and flashed the official 5.02 and it didn't help. Wifi was perfect on Kit Kat.

WiFi problem

I've noticed WiFi problem in my moto g 2015.
My home WiFi is not connecting, it reacts like gone through infinite loop. My home WiFi is having WPA2 protected access.
Every else's WiFi is connecting to my phone.
Please help.

It would help if we had much more details. A link to a video would be perfect. Does this happen with any other Wi-Fi networks?
keyur1131 said:
I've noticed WiFi problem in my moto g 2015.
My home WiFi is not connecting, it reacts like gone through infinite loop. My home WiFi is having WPA2 protected access.
Every else's WiFi is connecting to my phone.
Please help.
Click to expand...
Click to collapse

Thanks for respond.
And yes it happens with some other WiFi networks.
vicks1008 said:
It would help if we had much more details. A link to a video would be perfect. Does this happen with any other Wi-Fi networks?
Click to expand...
Click to collapse

Try factory resetting the device.

keyur1131 said:
Thanks for respond.
And yes it happens with some other WiFi networks.
Click to expand...
Click to collapse
Did you manage to resolve your wifi problem?
I bought the Moto G (2015) 2GB RAM / 16GB ROM for my wife and she's having problems with the home wifi. It often says there is a "connection error" and loops to try to connect again and then fails. Her work wifi seems to function ok.
Having read about similar problems with older moto gs, people recommended (1) turning on and off airplane mode. (2) changing channel number of router.
Both sometimes work and sometimes don't. But it's not really a permanent solution. I'm a bit reluctant to do a factory reset and reinstall everything if it won't resolve the problem. The device came with the latest firmware already installed (5.1.1) and I haven't rooted or unlocked bootloader so should be a pretty clean install.
Anyway, would like to hear that factory reseting could resolve this issue or not before trying.
Thanks for any advice!

Mine does it every now and then. I just unplug my router, wait a minute, plug it back in, and then it connects.

bobbyphoenix said:
Mine does it every now and then. I just unplug my router, wait a minute, plug it back in, and then it connects.
Click to expand...
Click to collapse
Yes. It works for me too. But what happens if you're on a public or work wifi where you can't reset the router? It doesn't really seem like a long term solution.
Is this a standard problem with this phone? Anyone else have a similar problem or preferably a solution?
Cheers

tomaquet said:
Yes. It works for me too. But what happens if you're on a public or work wifi where you can't reset the router? It doesn't really seem like a long term solution.
Is this a standard problem with this phone? Anyone else have a similar problem or preferably a solution?
Cheers
Click to expand...
Click to collapse
Yeah resetting other than home router is not the answer. It's an Android issue as all my phones do it from time to time. I haven't been able to figure it out. The other "fix" if you can't reset the router is try going into the Wi-Fi settings, and forget the network/name, and then add it back as new. It takes longer, but it could work for you. That's how I get around it when connecting to work when it won't auto connect.

Hi, I had also faced the same problem with a open wifi network which is free for 15 mins ..
Other than that one ..i had every router connected to my phone..
I was thinking the problem is not in your phone.. It's in router which might be old ��
Because old routers will have 802 a or something which are in compatible to some phones..
Or the router is not allowing your phone to get connected.. As your phone is latest and it has advanced protocols inscribed in it..
Do one thing.. Shed some light on this now :
1) router model (if known to you)
2) phone models which got connected to that router and it's operating system version (like 5.1.1)
And there is also one more point.. I found our phone might find problems connecting to 5ghz band router ..while it works fine for smaller routers like 2.4ghz
We can decide when you dig some info about the questions I mentioned...
We will get answers

Just turn off wifi and then turn it on it will fix the problem

banerjeeayan1996 said:
Just turn off wifi and then turn it on it will fix the problem
Click to expand...
Click to collapse
You would think it would be that simple, but it's not. It just sits there "Connecting", then nothing, then "Connecting". Keeps cycling like that.

nandakis4 said:
Hi, I had also faced the same problem with a open wifi network which is free for 15 mins ..
Do one thing.. Shed some light on this now :
1) router model (if known to you)
2) phone models which got connected to that router and it's operating system version (like 5.1.1)
And there is also one more point.. I found our phone might find problems connecting to 5ghz band router ..while it works fine for smaller routers like 2.4ghz
We can decide when you dig some info about the questions I mentioned...
We will get answers
Click to expand...
Click to collapse
My router is a netgear CG3100Dv3 (using WPA2-PSK [AES] encryption) and uses 2.4 GHz. I don't think it's the router's fault though because I've had many friends connect with a variety of phones and none of them have had the problem before. I currently have a Oneplus One (android 5.0.2) and have used a Nexus 4 and Samsung Galaxy S (1) on this router without problems. Maybe it's a problem with android 5.1.1 as I guess not many of my friends have it yet. I've written to motorola support but they still havent got back to me.
bobbyphoenix said:
It's an Android issue as all my phones do it from time to time. I haven't been able to figure it out. The other "fix" if you can't reset the router is try going into the Wi-Fi settings, and forget the network/name, and then add it back as new. It takes longer, but it could work for you. That's how I get around it when connecting to work when it won't auto connect.
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Strange. I've never had a problem before with wifi. Maybe I've been lucky until now. Yep - have tried forgetting and reconnecting to wifi signal. Again, a temporary solution that will quickly become irritating when there shouldn't really be a problem for such a simple operation.
banerjeeayan1996 said:
Just turn off wifi and then turn it on it will fix the problem
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It's a temporary solution but a pain in the arse if you have to reset the router every few hours. And as I said before, what happens when you can't connect to a router which you can't reset? (i.e. public, work)

Change the router's channel, then refresh the wifi in the phone.
Sent from my SM-T530NU using Tapatalk

Firstly i agree that our Moto G has some kind of issue with some routers.. but there will be solutions for them from the ROUTERS POINT OF SIDE to make it work
i have read about your router .. Things i suggest (if you have already done them then let me know )
1) your router has option to change MODE to get speeds more than 150mbps.. try changing that 802.11 MODE , restart your Phone and Router and also keep CHANNEL to AUTO , try changing the security WPA to others also..
2) your Wifi of your phone will have a MAC address , copy that and paste in your Router to allow this device..
i am still finding info on your problem..
the reason why i think your Router can solve the problem is : i had once read about 802.11 b/g/n/ac types.. i am getting a doubt that they are the ones causing the problem.. if you are aware of it
have a look at this bro once : http://www.smartmobilephonesolutions.com/content/cant-connect-to-wifi-on-android-smartphone
in this he said that Wifi fix apps can solve the easy problems..:highfive: , hope you find solution

nandakis4 said:
Firstly i agree that our Moto G has some kind of issue with some routers.
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Click to collapse
Hmm. That doesn't sound promising. Will they sort it out with the next firmware update? Are motorola even aware there is this problem?
nandakis4 said:
1) your router has option to change MODE to get speeds more than 150mbps.. try changing that 802.11 MODE , restart your Phone and Router and also keep CHANNEL to AUTO , try changing the security WPA to others also..
2) your Wifi of your phone will have a MAC address , copy that and paste in your Router to allow this device.
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Click to collapse
Ok. Will change channel to auto mode. It was already on "up to 300 Mbps". Will also put MAC addresss in the router.
However this still relies on having access to the router. What happens when you don't have access. If this is going to happen on many routers then I prefer to return the phone and buy one which never has this problem.
nandakis4 said:
have a look at this bro once : http://www.smartmobilephonesolutions.com/content/cant-connect-to-wifi-on-android-smartphone
in this he said that Wifi fix apps can solve the easy problems..:highfive: , hope you find solution
Click to expand...
Click to collapse
I'll give a wifi fix app a go to. But they just seem to automatically delete known wifi SSIDs and passwords.
Another option would be to root and install new ROM and radio, but would prefer not to.
It seems like a lot of Nexus 5 users on 5.1.1 are having wifi problems too:
https://productforums.google.com/forum/#!topic/nexus/4zdMLo2Pn9Y;context-place=forum/nexus
https://productforums.google.com/forum/#!topic/nexus/yx5kGasv2lE;context-place=topicsearchin/nexus/category$3Aconnecting-to-networks-and-devices
Anyway, thanks for you advice!

Just a quick update if there is anyone else reading this thread with a similar problem.
I changed the channel mode to auto and that has seemed to fix the problem. The moto g seems to connect without problems now. I didn't enter the MAC address nor used a "wifi fix" app so far.
Fingers crossed...

I have the same problem. Wifi just stops working and had a ! Symbol beside the wifi icon. I have probably had a 100 phones and devices connected to this router without a problem. I have changed a bunch of settings the router and it didn't help.
Disabling wifi off then on works, but that is no solution. I will try anther Rom or kernel. I am on resurrection 5.1.1

tomaquet said:
Just a quick update if there is anyone else reading this thread with a similar problem.
I changed the channel mode to auto and that has seemed to fix the problem. The moto g seems to connect without problems now. I didn't enter the MAC address nor used a "wifi fix" app so far.
Fingers crossed...
Click to expand...
Click to collapse
Finally you made it :highfive: thanks for this reply, i have been waiting for this answer ..

choder said:
I have the same problem. Wifi just stops working and had a ! Symbol beside the wifi icon. I have probably had a 100 phones and devices connected to this router without a problem. I have changed a bunch of settings the router and it didn't help.
Disabling wifi off then on works, but that is no solution. I will try anther Rom or kernel. I am on resurrection 5.1.1
Click to expand...
Click to collapse
My problem was slightly different in that the phone wouldn't even connect to the wifi signal. It would cycle continuously between "connecting" and "authentication error".
Does it work with other routers?
nandakis4 said:
Finally you made it thanks for this reply, i have been waiting for this answer ..
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Click to collapse
Thanks for your help! I'm still a little wary that the phone will have problems in the future on other routers, but it's a good enough fix for now. Hopefully a later firmware update will sort it out.

Unfortunately, my wife took the moto g on a business trip last week and could not connect to any wifi signals (her colleagues did not have a problem).
Not sure what to do now. I'm in contact with motorola support but they don't have any suggestions yet (apart from blaming the router - which has never had a problem with any other devices!)
---------- Post added at 02:01 PM ---------- Previous post was at 01:05 PM ----------
tomaquet said:
Unfortunately, my wife took the moto g on a business trip last week and could not connect to any wifi signals (her colleagues did not have a problem).
Not sure what to do now. I'm in contact with motorola support but they don't have any suggestions yet (apart from blaming the router - which has never had a problem with any other devices!)
Click to expand...
Click to collapse
Well I just emailed Amazon and they're sending a replacement. Hopefully this will solve the problem