[Q] Bluetooth interferes with wifi connection - Galaxy Tab 10.1 Q&A, Help & Troubleshooting

Recently I started using a Bluetooth mouse with my tab and I noticed that my wifi connection and speed would sometimes randomly drop. At first I though it was my router but both my laptop and phone had a stable connection via wifi. I decided to run several speed tests on the tab, first with Bluetooth off, then again with it on. With BT off, I averaged 3-4 Mbps which is my normal connection but with BT on, the speeds stuttered between 400-900 kbps. I know BT will cause some interference with wifi but I didn't expect it to be that severe. Is anyone else having the same issue?

Danstek said:
Recently I started using a Bluetooth mouse with my tab and I noticed that my wifi connection and speed would sometimes randomly drop. At first I though it was my router but both my laptop and phone had a stable connection via wifi. I decided to run several speed tests on the tab, first with Bluetooth off, then again with it on. With BT off, I averaged 3-4 Mbps which is my normal connection but with BT on, the speeds stuttered between 400-900 kbps. I know BT will cause some interference with wifi but I didn't expect it to be that severe. Is anyone else having the same issue?
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Please use the New Q&A Forum for questions thanks
Moving to Q&A

Nope. None here. Ran the FCC an speed test everal times. Everything looked good. I use a Dell bluetooth mouse that I have had for a while.

Related

[Q] Has anybody else had their Wifi suddenly quit working right?

Greetings,
I've had my Prime for nearly a month now. It had been performing on the same level as my other devices and I thought I was lucky enough to not have any problems like some others have had.
Yesterday, my Prime started losing connectivity after a few minutes. Then I'll turn off Wifi and turn it back on. It will reconnect, and then stop communicating again after a few minutes.
I can be right next to my router and it will still happen. I have also tried connecting to my phone's hotspot with the same result.
Interestingly, my Prime says it is still connected to my router. When I check the status, it says, connected, signal strength excellent, link speed 72 Mbps. And when I log into my router, the prime is still showing up as connected in the device list.
But if I try to ping the prime from my desktop, it times out.
Has this happened to anyone else? And if so, is there any way to fix it?
Thanks in advance!
Actually this has happened to me before. The wifi icon shows its connected but when you open the browser it tells you there isnt a connection. So i turn wifi off and on again for it to reconnect.
It doeant happen all the time but when it does its really annoying. A fix would be nice.
Sent from my PG86100 using Tapatalk 2
Happens to me constantly. Its usually when switching routers from home to work to city. I believe I read at some point to delete locations you don't use and it should help.
Autobots, roll out! Sent from my Transformer Prime!
It doesn't happen to me often but when it disconnects it does it in the last 10 minutes of a TV show I've been watching online for the past hour.
never had it happen before.

[Q] WiFi Vs. WiFi through Tethering - Signal Strength

Hello People,
I have noticed that on my TF Prime, the signal strength is different between connecting directly to a WiFi network (for eg., in my University) and connecting WiFi through the Tethering feature (through my SGS2 phone).
The signal is much stronger when connected through my phone (through tethering) than when connecting directly to the WiFi network.
Is this normal and has anyone else had similar experience?
Also, is there anything that could be done to make signal reception stronger when connecting directly to the WiFi network?
PS., the signal in our university is of top speed and so there is no problem with the WiFi routers / service...
Thanks in advance.. Cheers.
Depends what you mean by signal strength?
Do you mean you get more Wifi bars? This would be expected since your phone is close to the TFP.
Do you mean you get better throughout in Mbps?
Sent from my GT-I9100 using Tapatalk 2
fonduekid said:
Hello People,
I have noticed that on my TF Prime, the signal strength is different between connecting directly to a WiFi network (for eg., in my University) and connecting WiFi through the Tethering feature (through my SGS2 phone).
The signal is much stronger when connected through my phone (through tethering) than when connecting directly to the WiFi network.
Is this normal and has anyone else had similar experience?
Also, is there anything that could be done to make signal reception stronger when connecting directly to the WiFi network?
PS., the signal in our university is of top speed and so there is no problem with the WiFi routers / service...
Thanks in advance.. Cheers.
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Well I'm tethered to my phone right now, and I have 100% signal strength, because my phone is in my pocket. At home connected to WiFi, I get about 60% signal, because the router is on the other floor. So it just comes down to how far you are from the signal. I take it you keep your phone closer to you than the university router? Simple as that... in my case anyway.
Only way to get a stronger signal on the Prime is to get closer to the router.
Thanks a lot for the info.
Alright I get it.. Yes, the phone is closer to the TF Prime.. and when I mean the WiFi is weak, I refer to the throughput in mbps.. I haven't measured, but it's visibly (obviously) slow when connected directly to the WiFi network..
But then, on my phone (SGS2), when I connect to the WiFi network, its blazing fast.. How come? Because my phone is also far from the WiFi router in our department floor?
I tried both the TF prime and SGS2 from my office desk and the SGS2 WiFi connectivity is super fast.. while on the TF Prime is much slower..
But when I connect my TF Prime through my phone with the tethering feature, then the TF Prime WiFi is faster (compared to when connecting directly).
fonduekid said:
Thanks a lot for the info.
Alright I get it.. Yes, the phone is closer to the TF Prime.. and when I mean the WiFi is weak, I refer to the throughput in mbps.. I haven't measured, but it's visibly (obviously) slow when connected directly to the WiFi network..
But then, on my phone (SGS2), when I connect to the WiFi network, its blazing fast.. How come? Because my phone is also far from the WiFi router in our department floor?
I tried both the TF prime and SGS2 from my office desk and the SGS2 WiFi connectivity is super fast.. while on the TF Prime is much slower..
But when I connect my TF Prime through my phone with the tethering feature, then the TF Prime WiFi is faster (compared to when connecting directly).
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Lol welcome to the Prime.
The further you are from the connection, your through-put (d/l, u/l seems pretty unaffected) is exponentially worsened. The Prime can't hit large distances and keep good through-put: I believe the general consensus being that the all-metal body is at fault.
Your phone connects to that network better because it's plastic, the signal is doing fine. And the Prime connects to your phone fine because the phone is so close to it. But the Prime connects to that network poorly because of interference from the body, even though connected it is hampered. That's all it is, when you're tethering from your phone you're pretty much reproducing the signal from a new AP right next to the Prime.
Now, on to what I thought this thread was about lol. I've noticed that my Prime sees and connects to actual WiFi networks no issue. However, when I tether with my phone I'm often faced with one bar of connection (actual signal strength is fine, ~65 dBm) even though they're literally not a foot from each other.
Ok..thanks for your detailed explanation.. Lol.
I get the idea though..
Sent from my GT-I9100 using XDA

Wireless Problems - Zyxel WAP-3205

Hi There!
I have my Galaxy S3 and I have two locations (Home and Office) both with Zyxel WAP-3205's running the latest firmware.
I can't stay connected to either.
Essentially if I switch off WiFi on the phone and then on again, it connects, gets an ip, will work for a few minutes or maybe less and then seems to drop the connection. Only switching WiFi off and on again fixes it for another minute.
I am running Stock VFNZ firmware.
Home is running Channel 1, can't recall what work is.
Anything I can do to troubleshoot?
I am also having a similar issue. My wifi disconnects every hour or so and when i am in call while using bluetooth my wireless disconnects like crazy.
Mine turned out to be a faulty GS3 which was replaced and now everything is fine.
My dealer refuses to replace mine even tho I can replicate the problem easy and consistently. My only option now is send this off to Optus which is pathetic.

Chromecast causing WiFi problem

I'm having an odd issue lately where my phone will just decide to disconnect the WiFi connection and switch to cellular for no reason overnight, causing massive battery drain (40+ %) from location services. I can toggle WiFi off and on again and it works again, but it seems if it goes into deep sleep for any amount of time it will happen again. I managed to narrow this issue down to my new Chromecast, which for the most part works fine, but for some reason will force my S4 to drop it's WiFi connection. After turning off the Chromecast for a few days my WiFi never dropped overnight, so obviously there's something odd going on. I found a thread on another forum with someone having the same issue, but with no resolve: http://forums.androidcentral.com/google-chromecast/313692-chromecast-causing-phone-wifi-drop.html If it helps I'm on stock ME7 rooted and using a Linksys WRT54G router with Tomato firmware.
Well, I think I figured it out if anyone's wondering about this. When you first set up Chromecast you have to connect to it via WiFi and then after setup it will put you back on your normal WiFi connection. I went in the list of networks on my phone and deleted the Chromecast's WiFi setup network and now I haven't lost a connection since.

Wifi and Bluetooth randomly dropping out

So I've noticed that randomly throughout the day my phone will randomly disconnect from Wifi and Bluetooth. It always drops both at the same time then reconnects.
Has anyone else had this problem?
For me the Mobile Connection Drops every few seconds.....No Network...4G TLE with 5 Bars.......No Network...4G TLE with 5 Bars.....No Network...4G TLE with 5 Bars.....No Network...4G TLE with 5 Bars...
Got my My LG G5 from T-Mobile... After 3 days the phone has been overheating, and every 10 seconds it drops Mobile Connection...I went through a plethora of tests with T-Mobile Support and they determined that I need a replacement device...so waiting for the replacement...One other thing, I notice this happened after calling T-Mobile to Unlock the device...So not sure if there is any correlation between my issue and T-Mobiles Unlock App, T-Mobile said the two were not related.
WiFi is unstable for me, too. Disconnects randomly every hour or so. I mostly notice it when casting to my Chromecast. I have to reconnect to the app in order to regain control. I've tried multiple routers, and the problem is reproducible with both. Bluetooth hiccups, too, but never fully disconnects. I haven't noticed that the WiFi and Bluetooth disconnects coincide. Mine is AT&T branded.
I've got a similar issue, only the wifi is fine most of the time, but Bluetooth skips every few minutes and has completely dropped twice. I'm exchanging my device tomorrow to see if that fixes it. I also got a crap battery as well. Kinda disappointed with this $700 purchase.
xbenjii said:
So I've noticed that randomly throughout the day my phone will randomly disconnect from Wifi and Bluetooth. It always drops both at the same time then reconnects.
Has anyone else had this problem?
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Me too, i disappointed
Okay so, I've only managed to reproduce it on 5GHz networks. It doesn't seem to drop out on the 2.4GHz band. Bluetooth doesn't drop out either.
Scrap that, just happened again at work on a 2.4GHz connection. Hopefully it's just a software bug that will be fixed in a later patch.
I have 5Ghz wi-fi at home and it's been rock solid. Have also had no issues with bluetooth. Hope you get it figured out.
Both bands Wi-Fi & BT rock solid for me too. The BT in particular seems much stronger than my 6P which had occasional drop outs even at close range.
Sent from my LG-H850 using Tapatalk
I notice that it reports "Avoiding poor connection" in the WiFi menu when it's disconnected. I'm sitting in the room with the router, so maybe the "poor connection" detection is too aggressive.
Mine just starting dropping WiFi while the screen is off, I check the settings and everything is setup right it just started to happen today. I would F/R the phone and see if that helps
I exchanged mine for a new one, and the WiFi connection remains inconsistent.
xbenjii said:
So I've noticed that randomly throughout the day my phone will randomly disconnect from Wifi and Bluetooth. It always drops both at the same time then reconnects.
Has anyone else had this problem?
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Click to collapse
Mine also does this and seems to be getting worse also vibrations have also stopped all together
I can't even get through 1-2 songs on bluetooth before it disconnects and plays through my phone speakers... it has zero issues connecting in the first place and sounds fine, but then just drops.
I do have pretty unreliable wifi at home so I'm playing some music with wifi switched off to see if it could somehow be related to wifi dropping, but these songs I'm playing are cached to my phone from Play Music so that'd seem weird to me..
Also wondering if hardware and distance has an issue with it. I had it 2-3 yards away from my bluetooth shower speaker when it disconnected. I'm playing it right next to it now and so far into song 2 with no issues. I've never had this issue with my G4, which is a bummer, because that phone was a piece of junk that my G5, otherwise, outclasses in every possible way.
To update, the Bluetooth issues absolutely seem to be linked to wifi drops, at least from my testing. Even playing local media, I noticed both dropped at the same time, but I played through 5 songs with my wifi toggled off and not a single problem.
Those of you with issues in the car, is your wifi toggled off completely? I'm wondering if it's affected by having wifi on, or just by a random wifi drop.
I've had wifi issues with every Android phone I've owned since IPv6 became normal in home routers. I blame Google for refusing to use DHCPv6, the most widely used dynamic network addressing protocol, instead using some weirdass protocol called RDNSS which NOBODY uses. I've found the best fix is to ensure your router is set to stateless autoconfiguration for IPv6, but it doesn't fix it completely. Those who have a router that can shut v6 off, try it out. Xfinity doesn't let you.
I will say my g4 behaved the exact same way on wifi, but I don't remember Bluetooth having issues. I don't use it much, though, since I have an AUX in my car and Chromecast music.
Having the same issue as well. Fought with sprint for weeks and went through a few replacements in that time... Got the G5 as a free upgrade and it's doing the same thing. Done with LG devices...
Yes, and I just made a thread about it. Oops. Anyone try resetting phone? I'm about to but that's a pain having to bring it all back and make sure I back everything up.
WIFI Problem
Kinolay said:
I exchanged mine for a new one, and the WiFi connection remains inconsistent.
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Has anyone managed to solve it?
Kinolay said:
I exchanged mine for a new one, and the WiFi connection remains inconsistent.
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Click to collapse
That is not promising as I've had this issue since day one hoping an update would solve it to no avail trying to avoid getting a replacement.
My last phone did the exact same thing. For 2 years. Also constantly closing apps I was using, freezing, and my keyboard would disappear frequently. It did it from Day 1. It was a nightmare.
Finally got a new phone (and moved up to Marshmallow,) and the drops have started happening after less than 1 week. They really need to find out what's causing this!

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