Random Wifi Drop - Nexus 9 Q&A, Help & Troubleshooting

My Nexus 9 randomly disconnects from the wifi network at my work. I know "Lollipop" had some issues with Cisco routers/systems, but those were supposedly worked out in 5.0.1, so is this just a remaining bug? I don't seem to experience this issue at home, although admittedly I don't use it as much at home.

No, 5.0.1 wasn't a full fix for the issues. Both my N9 and N6 have troubles with our Cisco access points at work, plus Titanium Backup keeps knocking out the WiFi when it does a backup - I have to reconnect it manually once it's happened.
Sent from my Nexus 9 using Tapatalk

Related

touchpad Android wireless issues sorted

Should probably go in development but as a noob I can't post their yet.
Since updating to CM7 A3.5 I started having wireless issues. Would lose IP connectivity but connection up. Other wireless devices no issues and previous CM7 versions had been okay.
Updated to Xron 2.91 on here which seemed to make things worse.
Ran a wifi signal app and noticed neighbours AP on the same channel. Reconfigured mine and have had no touchpad issues since.
As all other devices were fine I didn't think of checking the frequency. Obviously the touchpad is a bit sensitive.
Hope someone else benefits from this. Thanks to those who released the Xrom and CM7 roms. Makes the touchpad a wicked cheap tablet.
Matt.
This has been talked about before and is considered one way of fixing wifi problems. If you still can't connect you could make the touchpad forget the network from settings and reconnect again. Using an app like regpon wifi keep alive helps a lot and finally a reboot helps if everything else fails
Sent from my Touchpad using Tapatalk
Also: Make sure your date/time is correct and a reboot into webOS often fixes it.
Yeah the wifi issues seem to be a hit or miss. Sometimes changing the channel works for people. Other times it's just the router. I would need to always "forget" the connection before turning my TP off then reconnect after at my house. But it works perfectly at my friends house. Thanks for the post though. It might help others with this issue.
i was just going to actually post in the thread, but like you, i am a newb with insufficient rights =)
ive done 4 touchpads, 3 different routers, cm7 3.0/3.5 and xronified 2.1 and to 2.9:
-asus rt12n w/tomato 1.28 in WDS mode with WPA1 AES on channel 11:
runs flawlessly on every revision and touchpad ive done so far.
-airlink ar670w w/ddwrt sp1 with WPA2 AES on channel 11:
initially connects but when TP goes to sleep, it will not reconnect on wakeup and strobe on and off and lock up wifi settings. cm7 3.0/3.5 and xronified 2.7/8/9
-linksys wrt54g w/hyper thibor with WPA2 AES on channel 11:
same results the airlink with ddwrt
after searching and experimenting, ive gotten both the linksys and airlink to play nice by doing the following:
1) changed encryption from WPA2 to WPA1
2) changed channels to 6 or 1 (personally i just picked whatever seemed less crowded)
3) disabled wifi sleep and scanning on TP.
4) rebooted TP into webos then back into android and rebooted router.
hope one or some of these solutions helped.
Even if your other devices weren't having issues being on the same wifi channel can cause packet loss due to interference making your Internet feel slower.
I also read that people had succes using the FXR Wifi Fix app to fix some of their wifi issues. If anyone is still having issues, you might want to try that out as well.
Grizzy3 said:
I also read that people had succes using the FXR Wifi Fix app to fix some of their wifi issues. If anyone is still having issues, you might want to try that out as well.
Click to expand...
Click to collapse
how can u even download the app when ur wifi isint working
Toney Starks said:
how can u even download the app when ur wifi isint working
Click to expand...
Click to collapse
Download the apk and install manually from computer. just connect the touchpad to the computer and copy the file over.
The fxr app does restore my wifi connection, but does not permanently fix my disconnect issues. I am trying out the regpon app now, so hopefully this will help maintain my connections!
As far as messing with routers, this is not an option for me as I use my school's wifi network when I'm working in my lab.
I have only dropped once at home and after forgetting the network and reconnecting I never had trouble again.
First post here... Just want to say that this is an amazing community. So many cool heads willing to spend time to help. It's awesome. With guidance from many of you(I have done EXTENSIVE reading around here for days), I just did my first CM install on my TP and I am in heaven.
The solution I'very found is to tap the icon next to the back icon and then the wireless icon. Don't even know what the icons called, butit has buttons to turn. on/off wifi, Bluetooth, suond and what I'm assuming is the camera.

My wifi often disconnects when downloading from Market, anybody else?

I searched but couldn't find more people with this issue. My wifi is working pretty ok but often when I am downloading a lot of things at the same time (like installing many apps simultaneously from Market) my Prime will lose its wifi-connection for a few seconds. The connection then comes back and all is back to normal. This happens whether the wifi reception is good or bad.
Anybody else experiencing this?
Mine does it too.
Mine did when I was at home(not always when using market, but often). Fixed it at home by setting my router to 801.11g(only) instead of g, n combination.
At work(g, n) it always has been fine.
The thing is, my girlfriends HTC Legend always had connection stability issues when connected to our home router, and those problems are also solved now(our laptops had no issues at all). So i'm blaming it on compatibility issues with my router(Zyxel NGB-460n).
Did you try this?
In "Wireless & Networks > Wi-Fi
Select the specific connection you are on.
Select "Forget"
Select that connection and log-in again(input password if needed).
Some would reboot. I just re-connect. It only happened to me once.
Thanks for the suggestions. I have reconnected but that did not help. Changing the router settings I will not do, all my other units work with its current settings.
Sent from my Transformer Prime TF201
Gnopps said:
Thanks for the suggestions. I have reconnected but that did not help. Changing the router settings I will not do, all my other units work with its current settings.
Sent from my Transformer Prime TF201
Click to expand...
Click to collapse
It may be something to do with the market. It has happened to me, but only in market. Downloading large files from other sources never. Strange.
Sent from my ADR6400L using Tapatalk

[Q] Internet stopped working on wifi on .73 SG build

This is most bizzare. My internet on wifi was working fine until last night, but it is not working any longer. Works fine on 3G though. On wifi I am able to see connected devices on the local network and play files off my HTPC but internet browsing, google play store or anything that uses internet has stopped working and times out. All other wifi devices in my home are fine. I have reset the wifi router as well, nothing. Tried to disable and enable wifi on the phone and restarted a few times as well. Cant really put my finger on it.
Any ideas?
I updated to the SG .73 build about 3 days ago. I noticed batter battery life, no where near what I was used to on my GS2 though.
Anyhooo, any ideas guys, I am concerned.
alitech said:
This is most bizzare. My internet on wifi was working fine until last night, but it is not working any longer. Works fine on 3G though. On wifi I am able to see connected devices on the local network and play files off my HTPC but internet browsing, google play store or anything that uses internet has stopped working and times out. All other wifi devices in my home are fine. I have reset the wifi router as well, nothing. Tried to disable and enable wifi on the phone and restarted a few times as well. Cant really put my finger on it.
Any ideas?
I updated to the SG .73 build about 3 days ago. I noticed batter battery life, no where near what I was used to on my GS2 though.
Anyhooo, any ideas guys, I am concerned.
Click to expand...
Click to collapse
That's unlikely to be your device. Probably the router or something.
Sent from my Transformer TF101 using Tapatalk 2
I have also messed around with the wifi sleep policy. No issues there. Power saving is also disabled.
Could it be anything else? An app maybe? I will remove the most recent ones and report back. Badass battery monitor was the last one I installed.
alitech said:
I have also messed around with the wifi sleep policy. No issues there. Power saving is also disabled.
Could it be anything else? An app maybe? I will remove the most recent ones and report back. Badass battery monitor was the last one I installed.
Click to expand...
Click to collapse
Hi, along with that also try to connect to some other router and let us know if the problem persist.
The wifi connection remains active but no internet. Just thought I would add. I will connect to another wifi hotspot. My wife's GS2 tethering and report back.
I assume that you got "limited connectivity" problem.
If my assumption is true then you should try checking in your Wifi router setting, set encryption method to AES. The problem was addressed when I tried doing this and in addition, changed my Wifi channel from auto to a specific channel.
Right, not sure how this all started but like many others my internet connection (More specifically over wifi) just randomly stopped. After a fair bit of reading on both these forums and Sony's own forum, I downloaded and installed an app called WeFi Pro. Somehow this seemed to fix everything and now have a working wifi internet connection again.
Will do some more reading into this but as a fix i'd recommend installing this app. Oh BTW its free so its a win all round!!

[Q] Having bad wifi since I flashed DD-WRT on my router

Hi,
I had no problem whatsoever with my network since 2 days ago when I flashed my dlink dir-300 with dd-wrt.
Since then, I started having problems using my banking app (it gets stuck sometimes during account data retrieval) and more consistently the XDA app fails to retrieve data most of the times.
The rest seems to be ok (on browsers I did not notice connection problems), even though the wifi signal (icon) appears to be quite low even when I am a few meters from the router, while all my other devices (laptop, iphone, blackberry) are working fine.
So, I would need some help to troubleshoot the problem, for example how to check where it gets stuck in the XDA app could help to understand where the problem happens.
I think I set the router with the same values it had before, and I had more trouble with previous FW, so I won't go back there, but I could still try to change some setting if there is some "known" wifi issue with Android devices.
I have a Nexus S with Cybergr v11 ROM and Matrix v19.5 kernel. I repeat, now all other devices are working fine, and this phone was working fine until I flashed the router, so it must be most likely a bad combination of wifi settings (I tried a lot of them already) and Android.

[Q] Wifi state frozen, requiring reboot to work again

I've seen many posts/threads about Wifi issues with the EVO 4G LTE, but they all seem to fit in these categories:
- Bad Wifi signal due to poor antenna contact
- Wifi not working at all in an early ROM version
- Wifi causing random device reboots
- Problems with Wifi tether
However, I'm having a Wifi problem that I can't find much information on: After about a day of use, connecting to my home and work wireless networks, my Wifi gets stuck and will not respond until I reboot the device. When the Wifi is frozen, I have no Wifi signal/connection (even though a wireless network may be available), and under Wifi settings it says "Turning off Wi-Fi..." and the on/off toggle switch is disabled. I'm unable to get the Wifi to respond/work unless I reboot the device. I've seen just a handful of others who have had this problem, but no mention of a solution or method for troubleshooting. I would appreciate any feedback others have experiencing this problem, or ways to solve/troubleshoot it.
Details:
ROM: MeanROM 4.8
Keep Wi-Fi on during sleep = Always
Security: S-OFF
I have been having this identical problem for about a week now. It is not limited to one router, either.
This was happening to me when I was on MR 2.6. Since going to 4.8 the problem has gone away.
Sent from my EVO using Tapatalk 2
iconeo said:
This was happening to me when I was on MR 2.6. Since going to 4.8 the problem has gone away.
Sent from my EVO using Tapatalk 2
Click to expand...
Click to collapse
Been happening to me on many different versions of MeanROM. I've been wondering if it has anything to do with the nightly backups I schedule TiBu to do, because its always in the morning when I pick up the phone that it is frozen and needing a reboot.
If it is ROM-related, could we use a different wpa_supplicant (or combination of files) from different ROMs to troubleshoot? If so, does anyone have a suggestion of files/ROM sources?

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