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I'm not sure if this is normal or not. I just got my Cingular 8125 and the wifi is very slow. I don't know how to measure the actual speed but for instance on my broadband connection, going to Google.com opens up in about a second. On dial up it takes about 5 seconds. However, on my phone using wifi, it takes about 20 seconds. When using wifi on my laptop, it is comparable to my broadband speeds my router is connected to.
I have pretty slow GPRS service as well and wifi is comparable.
I get the same slow speed on 802.11b as well as 802.11g networks (g network with registry hack)
Is this normal? The wifi speeds with the unit brand new out of the box was very slow. I flashed the rom and even overclocked to 240, the wifi internet is still painfully slow. I don't really find this useable. If I go to a page with images and such it can take a minute or so.
Anyone have any suggestions? Are others getting good speed on wifi. I tested by watching a streaming video and the speed shown on the bottom of windows media was 18k.
Were my expectations too high? Is there a setting I have incorrect?
IdeaDirect said:
I'm not sure if this is normal or not. I just got my Cingular 8125 and the wifi is very slow. I don't know how to measure the actual speed but for instance on my broadband connection, going to Google.com opens up in about a second. On dial up it takes about 5 seconds. However, on my phone using wifi, it takes about 20 seconds. When using wifi on my laptop, it is comparable to my broadband speeds my router is connected to.
I have pretty slow GPRS service as well and wifi is comparable.
I get the same slow speed on 802.11b as well as 802.11g networks (g network with registry hack)
Is this normal? The wifi speeds with the unit brand new out of the box was very slow. I flashed the rom and even overclocked to 240, the wifi internet is still painfully slow. I don't really find this useable. If I go to a page with images and such it can take a minute or so.
Anyone have any suggestions? Are others getting good speed on wifi. I tested by watching a streaming video and the speed shown on the bottom of windows media was 18k.
Were my expectations too high? Is there a setting I have incorrect?
Click to expand...
Click to collapse
Always best to be sure that you are actually using the wifi connection - Try disconnecting the gprs first before you connect to wifi. I have an issue where if I leave my gprs connection enabled all the time it takes precedence over my wifi no matter what.
Bratag said:
Always best to be sure that you are actually using the wifi connection - Try disconnecting the gprs first before you connect to wifi. I have an issue where if I leave my gprs connection enabled all the time it takes precedence over my wifi no matter what.
Click to expand...
Click to collapse
Tried that but still no luck. When connected by wifi, I see the little wifi icon on the title bar. When connecting to GPRS, it shows the E and actually a pop-up saying it is connecting to GPRS. This part is actually working great. Uses wifi by default when wifi is on and GPRS is not.
I did try to disable GPRS entirely but still get the same slow results.
I also changed the wifi setting to maximize performance instead of save battery life. Didn't seem to matter.
I may experiment with Opera Mini or something to see if I can get some improved speeds.
no problems with wifi here. getting a faster connection than GPRS, even at hotspots.
I had a problem with my wifi connection in that the DHCP server giving out an incorrect address for one of the DNS servers. This made the wifi slow, because Internet Explorer kept on trying to lookup the IP of a host using the broken DNS, and then falling back to the second in the list.
You try specifying a DNS server manually to diagnose the problem.
Cingular 8125 WiFi Fix that works!
Believe it or not the support for this product from HTC, the mfgr, is great and fast! That being said, I like most users have spent days hunting for solutions to the problem and you will not find them anywhere. But here is the solution:
First you must have an unlimited account for data usage or forget your WiFi...well at least simply. Also, you must get Cingular to flip a switch for your 8125 to automatically switch from WiFi to GPRS and back depending on what is the best signal. It works great once the switch is set.
The only way I found to do this was to call support and make sure you get to the HTC support group. They will guide you quickly through getting setup but you must tell them about the switch so they call Cingular and have the switch set. For some reason Cingular, no surprise, does not seem to know about this when they sell you the plan and the phone.
Re: Cingular 8125 WiFi Fix that works!
mostinc said:
Believe it or not the support for this product from HTC, the mfgr, is great and fast! That being said, I like most users have spent days hunting for solutions to the problem and you will not find them anywhere. But here is the solution:
First you must have an unlimited account for data usage or forget your WiFi...well at least simply. Also, you must get Cingular to flip a switch for your 8125 to automatically switch from WiFi to GPRS and back depending on what is the best signal. It works great once the switch is set.
The only way I found to do this was to call support and make sure you get to the HTC support group. They will guide you quickly through getting setup but you must tell them about the switch so they call Cingular and have the switch set. For some reason Cingular, no surprise, does not seem to know about this when they sell you the plan and the phone.
Click to expand...
Click to collapse
Thank you so much. This sounds like the solution I'm looking for. So are you saying to call HTC support and they will contact Cingular to have the switch set on my behalf?? Or do I just call Cingular and tell them to "turn the switch on"?
I do have an unlimited GPRS for data usage.
what a crock of steaming brown stuff :x .... what exactly does wifi have to do with your telco? ... nothing. There maybe some registry entry that Cingular have set when the device ships which causes poor WiFi speeds but your GPRS data plan has nothing to do with WiFi data, unless you are talking about connecting to Cingular WiFi hotspots. The only changes needed will be on your device not within the Telco network.
before calling support, try this:
Go to comm mgr and turn off the phone. Then turn on WiFi and let it connect. Check your speed with www.2wire.com. If your speed is still slow, and another PC connected to that HotSpot isn't (test the PC with 2wire also) then your 8125 is bad.
Using the WiFi icon v.s. the "E" icon is no way to determine what wireless system you're using btw...
Sleuth255 said:
before calling support, try this:
Go to comm mgr and turn off the phone. Then turn on WiFi and let it connect. Check your speed with www.2wire.com. If your speed is still slow, and another PC connected to that HotSpot isn't (test the PC with 2wire also) then your 8125 is bad.
Using the WiFi icon v.s. the "E" icon is no way to determine what wireless system you're using btw...
Click to expand...
Click to collapse
Ok, I tried 2wire. My laptop connected to my wifi network and clocks in at 3.2Mbps and my 8125 is showing 221 kbps. multiple tests showed 228, 205, 220). Perhaps it is unrealistic to expect similar speed as my laptop.
I turned the com manager phone back on and connected via GPRS and the speed test came back at 64.8 kbps.
So it does look like this method is working. I can live with 221 kbps.
By the way, I emailed Cingular and HTS. I got the following response from Cingular:
Thank you for contacting Data Support!
There is an additional setting that you need to enable/disable manually every time you switch between GPRS and Wi Fi, please take a look at it:
[they sent a link to a page not found]
Click to expand...
Click to collapse
I think it's always going to be slow because of the way the phone is designed. Probably small bus interface. My friend has a 6700 wich cpu wise is pretty much the same based on comparison but his is much faster through wifi.
"I think it's always going to be slow because of the way the phone is designed. Probably small bus interface. My friend has a 6700 wich cpu wise is pretty much the same based on comparison but his is much faster through wifi."
No no no no no no and no.
small bus interface? for heavens sake... you have heard that there is something called a "bus" inside computers and that it is used to "transfer data" and this "bus interface" is small in the qtek so it is a viable candidate to blame slow transfers on.
no.
any memory bus designed after 1980 is capable of 200kbit transfers.
the main reason for the horrid speed of the 9100 is the stupid software design where every system call in a program gets interrupted by the os which in turn, after checking who-knows-what, in the name of "security" and "stability", and then executed. Of course this hinders performance dramaticaly without affecting stability and security a single bit: it still crashes. the difference is that it is also slow.
I'm running Xelencin's custom 2.17 ROM for T-mobile on my 8125. His ROM sets the device up to work with an 802.11 g wifi connection. I kid you not - I have measured 900 to 1200 Kbps on my wifi at home (comcast) and at work (T1). It's blazing fast.
To measure your speed, go to www.dslreports.com. Click on the lowfi version at the top of the page. Then click on speed test. Then choose either 600K or 1 MB and then let it do the test.
You may have some setting wrong.
I have an 'adhoc' wireless network (running at 11Mbs) and i stream large lossless (FLAC) audio files to my Squeezebox 3 wireless music player with no issues whatsoever.
However, the MDA can't cope at all. FLAC files play great from the MiniSD, but wifi performance is worse than terrible.
Yes, the wifi speed of the MDA is s**t.
That said, if anyone has any tips on how to increase perfomance please let me know!
Thanks.
My Wifi would not work at all when I updated my ROM but this utility fixed that and sped things up. I recommend backing up your device before executing because I have only tried this on QTEK 9100 with a beta 2.8 ROM.
tsiros said:
"I think it's always going to be slow because of the way the phone is designed. Probably small bus interface. My friend has a 6700 wich cpu wise is pretty much the same based on comparison but his is much faster through wifi."
No no no no no no and no.
small bus interface? for heavens sake... you have heard that there is something called a "bus" inside computers and that it is used to "transfer data" and this "bus interface" is small in the qtek so it is a viable candidate to blame slow transfers on.
no.
any memory bus designed after 1980 is capable of 200kbit transfers.
the main reason for the horrid speed of the 9100 is the stupid software design where every system call in a program gets interrupted by the os which in turn, after checking who-knows-what, in the name of "security" and "stability", and then executed. Of course this hinders performance dramaticaly without affecting stability and security a single bit: it still crashes. the difference is that it is also slow.
Click to expand...
Click to collapse
Excuse me for my ignorance... But then how do you explain that the 6700 can handle 700kb wireless while 9100's usually around 220kB? The Intel proc on the 6700 seems comparable to the Omap,no?
keitht said:
My Wifi would not work at all when I updated my ROM but this utility fixed that and sped things up. I recommend backing up your device before executing because I have only tried this on QTEK 9100 with a beta 2.8 ROM.
Click to expand...
Click to collapse
What exactly does this cab change?
Reconfiguring DNS may make a significant improvement?
I came across your post after my own concerns with my I-mate K-Jam (Wizard) WiFi performance. My GPRS connection was at least twice as fast.
My problem was that is was taking at least 30~60 seconds to locate a web page and another 10~15 seconds to open the page. Once connected it seemed to work OK but operation via GPRS was still faster.
My K-Jam has a ROM that permits G connection and my AP is set to G only. After reading all the articles in this post (and others), I ran the 600K download at DLSreports.com. To my surprise, my download rate was actually + 500kbit/sec which lead me to believe I might have DNS issues.
I used vxUtil (http://www.cam.com/windowsce.html) to check my DNS settings. My primary DNS being picked up from my DSL modem was the DSL modems gateway address which works fine in my Toshiba laptop. My secondary DNS was my ISP's backup.
I reconfigured my DSL modems DHCP server so that the DNS servers being dished up to my K-Jam are my ISP's primary and secondary servers and I performed a soft reset.
The speed increase was substantial! Pages are located and opened within 5 seconds now making my WiFi connection useable.
This may be worth a try for others with similar issues?
I'm pretty happy with my new HTC Hero, but I'm having a lot of trouble with the WiFi connection. I connects fine and shows "good" or "excelent" signal strength on my home network. However the speed is very slow and if I go to Android Market it loads the different apps very slowly an looses connection often: It says "No connection" and I press the "Retry" button...). It is not just a problem i Android Marked. Loading pages in the browser, facebook etc. is extremely slow when on WiFi. When I'm using EDGE everything is A LOT faster and I don't get "A network error has occured. Retry or cancel...etc.".
I have tried different settings on my access point, but nothing seems to help. I have (tempoarily) disabled encryption, tried swiching channels, using B instead og G setting, and manually setting: Gateway, DNS etc... In the end it got a bit frustrating so I tried a factory reset. But WiFi is still very slow. If you have any suggestions to what the problem might be I would be very grateful.
I had a similar problem with my AP (D-Link DIR 655) and tried to set it to use the same communications setup as another AP that worked properly. Whatever I did with encryption, keys and channels made no difference on my AP. The solution on this AP was to set it to 802.11g only (it was b+g+n), and it has worked fine since.
I do however suspect that there may be some serious issues lurking in the linux kernel that is used on the hero (2.6.27). Wifi was a nightmare on that release with notebooks too, and core parts of the wifi-stack has been replaced since. I wouldn't be surprised if we see a significant improvement in wifi-performance whenever there's an Android release that include a 2.6.30 or later kernel.
I have been having the same issues but my wifi didnt work with the browser, or youtube. I downloaded Opera mini and wifi works fine. With factory browser i can go to google and it will load and search but once i click on links found it hangs and wont connect. I am so frustrated my sim is going back into my iphone 3gs until an update is released this sucks big time
It is a bit disappointing if this is a general issue, but I'm glad to hear that I'm not the only one with this type of problem.
Maybe this could also be a HTC-issue? I remember my HTC Tytn II where there was a slider where you could choses between "performance" or "battery saving". I remember that I couldn't get the WiFi to run properly unless I set it to highest performance. I consumed more power but it worked with this setting.
On my Hero, the HSDPA connection is for some reason faster than my ADSL2+ (24Mbps) connection. Rather odd..
Same here. The 3G/EDGE is a lot faster than my 20 Mbit ADSL. It makes no sense
Why does it take so long to make a connection to my router via wifi?
This can sometimes take 10 - 15 minutes before I have a connection.
With my windows mobile device this takes only a few seconds.
I'm experiencing the same issue on my Hero (with updated HTC firmware). I've also tried playing around with my routers settings to no avail. My Hero is basically useless for browsing on WIFI.
I'm curious, does anyone running an alternative rom experience this? If not I may look into rooting my phone..
Root your phone and do this
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
It will fix it.
/b
briankwest said:
Root your phone and do this
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
It will fix it.
/b
Click to expand...
Click to collapse
I have the same disconnection problems.
What is "Root your phone" and can this really fix our problem?
frem
frem said:
I have the same disconnection problems.
What is "Root your phone" and can this really fix our problem?
frem
Click to expand...
Click to collapse
you've had 57 posts and dont know what rooting is;p aha (not trying to be a ****, just found that funny:])
when you root your phone you gain root access and can do just about anything, like install apps that need root access! there are guides in the dev section on how to, and if you do a search there is a thread on what root allows you to do!
i dont know if that command will fix your problem though, sorry!
xsirhc6x said:
you've had 57 posts and dont know what rooting is;p aha (not trying to be a ****, just found that funny:])
when you root your phone you gain root access and can do just about anything, like install apps that need root access! there are guides in the dev section on how to, and if you do a search there is a thread on what root allows you to do!
i dont know if that command will fix your problem though, sorry!
Click to expand...
Click to collapse
I've been a "windows mobile" user for a long time.
I know what "root access" is in the general Unix environment.
But I don't really know how it works on the Android OS.
I'm more of a Windows guy.
It's my first time messing on Android, I got tired of Windows Mobile.
frem
Just my humble opinion. This is a problem that should be fixed by htc.
If rooting fixes it it's good, but it can't be a requirement to get it working properly.
I mean you buy a phone with wifi, you expect it to be as fast as your provider is... Getting less is just not getting what you paid for.
Has anyone mailed HTC about this problem? I hardly ever use wifi but tried it today
and indeed my hsdpa is lot's faster than my 20mbit connection @ home.
Help us pleaseeee
briankwest said:
Root your phone and do this
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
It will fix it.
/b
Click to expand...
Click to collapse
That pretty much cut the speed in half for me.
Seriously the wifi issue is a big problem for me. I don't have a 3g unlimited plan.
Basically when i activate the wifi i start a application like update weather or check a webpage or update tweets, it works then connection drop and i can't connect to anything.
I have to deactivate wifi then reactivate to get like 40 seconds surfing and downloading apps on the market.
IS everyone having the same wifi problem ?
It happened on every access point not just the one at my place.
Please help me, is it my phone that has a hardware problem ?
frem
you gotta think of it this way...
most people who dont have problems arnt gunna make it to this thread because there not searching for it! So your mostly gunna get replys saying "same here"
so im guessing most people dont have this problem.. although it could be a specific rom on a specific carrier or something... see if you have anything in common with other people with this problem, if not, maybe it is hardware
WiFi channels
Have you tried changing the wifi channel in your router settings in case there is interferance with a nearby router on the same channel? Although you would experience slow wifi on any wifi device (laptops)..but worth checking.
I've just done a speedtest on my phone using the speedtest.net app and do get just over half the download speed on my phone (5-6mbps) opposed to my pc (wired 9-10mbps) and laptop (wireless 9-10mbps). So knowing my wireless is set up correctly, it does show some loss in speed with the hero. See how much of a loss you get?
Adam
Thank you for your reply. I think i figured it out. I am at the countryside right now and im connnected on a diferent acess point and it's working perfectly i'm actually writing this post in WiFi mode on the hero. So the problem is from the other access point i tested. i already tried changing the Channel number. I use a french provider that use access points called "freebox"
FYI the problem with the hero and some wifi access points is well known and is being forwarded to htc by Vodafone.
http://forum.vodafone.co.uk/index.php?showtopic=25004
Htc said that they are working on it..
frem
hey folks quick question i pay £7.50 a month for ulimited internet and email thru o2 and was wondering if i use wifi router to connect to internet will it use the data connection or will it appear on my bill as tethered internet,there is 2 options on wifi router for me mobile web and o2 active?? i dont want to contact o2 and ask them incase they say its extra and put a note on my account anybody have any info,
much appreciated
greg
"Mobile Web" is the one you're after. I've never had a problem using it myself (so far as the billing goes), but keep in mind that if you start to take the piss (massive downloads and excessive usage) then they're likely to take notice. I've heard of anything from throttling to being told you have to upgrade to a 'heavy user' package at a higher cost.
I use mine regularly when out and about for basic stuff and there's no problems. Just don't try to use it as a primary internet connection and you should be fine.
thanks for the reply n i just wanna use it at work for surfing the forum n occasional stream i am using it just now on the mobile web setting full 3g signal so getting gr8 internet.
thanks
greg
Keep an eye on what your laptop is downloading in the background. Windows Update, AntiVirus definitions and the like can account for more data than your browsing.A third party monitor might be useful.
Hi all,
Ive been having a problem whereby my twitter and facebook feeds wont refresh after browsing the net for 15 mins or so on WiFi.
They work without problems based on phone signal but when using WiFi its as if the signal just drops out even though it says not, and the browser will work just not facebook/twitter. A phone restart or toggle off/on of WiFi doesnt fix the problem.
Im on 2.3.3 and firmware version KE2.
Any ideas or anybody been having the same issue? Ive done some searching but cant find any help...
Sent from my GT-I9100 using XDA
Any body any ideas?
I'm struggling with this. Thinking of selling it and getting a Sensation...
It may be a defect on your phone. Try bringing it back to the shop and ask for a replacement if you can repeat the issue on their Wi-Fi.
And I wouldn't really recommend on getting a Sensation because of Wi-Fi issue because the Sensation has a worse "death grip" issue (YouTube that and you will see quite a lot of videos on that), other than a very small 1.5GB internal storage/
luke222010 said:
Hi all,
Ive been having a problem whereby my twitter and facebook feeds wont refresh after browsing the net for 15 mins or so on WiFi.
They work without problems based on phone signal but when using WiFi its as if the signal just drops out even though it says not, and the browser will work just not facebook/twitter. A phone restart or toggle off/on of WiFi doesnt fix the problem.
Im on 2.3.3 and firmware version KE2.
Any ideas or anybody been having the same issue? Ive done some searching but cant find any help...
Sent from my GT-I9100 using XDA
Click to expand...
Click to collapse
Does your wifi routes data through a proxy. If yes apps wont be able to connect to the internet on wifi, the browser can.
This is an android issue so shifting to sensation wont help.
Hello Guys,
I can think of two possibilities.. Cause, I had somewhat the same problem in the earlier Galaxy S (I am now on Galaxy SII).
First Scenario :
Both Facebook and Twitter have a refresh timing option under Settings. You must set it to minimum. (For facebook, minimum refresh is 30 mins and for Twitter, Its 15 Mins).
Second Scenario :
I assume that you are using WiFi and I also assume that you have a repeater installed. In that case, you must tinker with the Network WAN settings of your repeater. Typically, the broadband "modem" is set to MTU = 1500 and the "Repeater" MTU is also set to 1500. This causes some problem in uploading data. Now, as facebook and twitter ( as also Android Market ) sends some data first and then downloads data, if the sendng is problamatic, the downloading of data would also not be good. ( A typical way to check it is to try uploading some test snap on facebook. If the test snap is uploading, then your home Wifi is working all right). However, if the picture uploading is not getting through, try to reduce the MTU. This guide will help you :-
"Max MTU: How do I find mine?
The MTU setting controls the maximum ethernet packet size your PC will send (you did know the Internet works in packets, didn't you?). Why a limit? Because although larger packets can be constructed and sent, your ISP and Internet backbone routers and equipment will chop up (fragment) any packets larger than their limit. These parts are then reassembled by the target equipment before reading. This fragmentation and reassembly is not optimal.
MTU and Windows and Defaults
Unless otherwise set, Windows defaults MTU to 1500, or a lower value of 576 for external networks. 1500 is OK unless you are running PPPoE, want to use IPSec (Secure VPNs) or both, then it's too big. 576 is not efficient for the broadband/Internet; it's too small.
Finding the largest MTU, by EXPERIMENT
If your MTU is too low already, maybe 576, the following method will not be able to detect whether you can switch to an optimal size. So first follow "CHANGING MTU for PPPoE" to reset MTU to 1500, reboot and then come back to this!
The best value for MTU is that value just before your packets get fragmented. How do you find that out? By using Ping at an command prompt.
Windows 2000/XP users:
Go to Start/ Programs/ Accessories/ Command Prompt and type the following:
ping -f -l 1472 www.dslreports.com
(That is a dash lower case "L," not a dash "1." Also note the spaces in between the sections.)
Linux users:
ping -s 1472 www.dslreports.com
OS X users:
ping -D -s 1472 www.dslreports.com
Linux and OS X commands are case sensitive.
Press Enter. Then reduce 1472 by 10 until you no longer get the "packet needs to be fragmented" error message. Then increase by 1 until you are 1 less away from getting the "packet need to be fragmented" message again.
Add 28 more to this (since you specified ping packet size, not including IP/ICMP header of 28 bytes), and this is your MaxMTU.
Note:If you can ping through with the number at 1472, you are done! Stop right there. Add 28 and your MaxMTU is 1500."
I hope with the above, the prroblem gets sorted. If you succeed, please leave your experience here...
Regards.
Hi all,
Thanks for your replies.
Neither facebook nor twitter work at all on wifi now. I've figured out that they DO work on wifi on friends/family routers, just not mine!
Whats weird is facebook will work if I login through a browser such as dolphin or firefox, but not through the official facebook app itself. Same with twitter.
My max MTU is set to 1492 - i've checked this is correct using the instructions you provided and it is...
Another issue is browsing the internet - sometimes if i open more than one tab, it stops working altogether, and subsequently any other app that requires access to the internet will not work also. The only way to resolve this issue is by turning the phone off and back on again.
Really struggling with this. Could it be as simple as switching channels within the router?
Im open to suggestions so any ideas i'd appreciate!
Thanks again,
Luke.
Dear Luke,
Ok.. Thanks for the input.. See, if your facebook and twitter is working fine on other Wifi's, it means that there is no problem with your phone setup.. also, when you are using on 3G, there is no problem and that confirms that your handset has no problem at all.. so dont worry on that count..
Read my post carefully..
I had suggested you try upload a pic on facebook using wifi (the one which has problem).. If you are not able to upload, that should confirm that your home wifi has to be set up properly. There are two types of installations of Wifi.. (1) in which the Broadband Modem and Wifi is in a single device and (2) where you have a broadband modem and then a seperate wifi device.
Now the broadband modem also has its seperate MTU which it uses to interact with the broadband server.
Similarlt, the wifi decive connected to the Broadband modem also requires its own MTU to communicate with the broadband modem..
These two are therefore different settings.
You dont typically have to change the settings on the Modem, but only the wifi device. When I faced a similar issue, I had to check and reduce it to 1430 myself so that it works properly.. Try the same.. Try reducing wifi MTU to 1430 leaving the modem MTU to 1500 (default). If you do it right, you will solve the problem...
I had exactly the same problem but I found no real help on the internet android forums.. But that history..
Now, I know this is the real problem and the cure is easy... "Just set the MTU on wifi (device) to 1430... DONE.
Try rebooting the router, and then flush dns settings in cmd.
how to flush dns http://www.tech-faq.com/how-to-flush-dns.html
akshayadv said:
Dear Luke,
Ok.. Thanks for the input.. See, if your facebook and twitter is working fine on other Wifi's, it means that there is no problem with your phone setup.. also, when you are using on 3G, there is no problem and that confirms that your handset has no problem at all.. so dont worry on that count..
Read my post carefully..
I had suggested you try upload a pic on facebook using wifi (the one which has problem).. If you are not able to upload, that should confirm that your home wifi has to be set up properly. There are two types of installations of Wifi.. (1) in which the Broadband Modem and Wifi is in a single device and (2) where you have a broadband modem and then a seperate wifi device.
Now the broadband modem also has its seperate MTU which it uses to interact with the broadband server.
Similarlt, the wifi decive connected to the Broadband modem also requires its own MTU to communicate with the broadband modem..
These two are therefore different settings.
You dont typically have to change the settings on the Modem, but only the wifi device. When I faced a similar issue, I had to check and reduce it to 1430 myself so that it works properly.. Try the same.. Try reducing wifi MTU to 1430 leaving the modem MTU to 1500 (default). If you do it right, you will solve the problem...
I had exactly the same problem but I found no real help on the internet android forums.. But that history..
Now, I know this is the real problem and the cure is easy... "Just set the MTU on wifi (device) to 1430... DONE.
Click to expand...
Click to collapse
Hi again,
Allow me to give you a bit more info...
I'm on a talktalk (rubbish!) landline/internet package. My netgear router is plugged directly into the phone line via an adsl cable. The router is configured for wifi access. I presume as I have no seperate device, that the modem is built into the router also.
I tried uploading a picture to facebook and it failed after a few minutes of trying.
Basically last night I tested the MTU via the command line interface using the ping command you provided. At 1464 i no longer received the fragmented packet errors, so i presumed adding 28 to 1464=1492 was the correct thing to do, and so I did this and then checked that in the WAN settings in the router config the MTU value was set to this which it already was.
I'm not quite sure how I set the MTU value specific to the modem if doing so under the WAN settings has not already applied it for both wifi and the modem. Can you provide further assistance if I should be changing a setting elsewhere?
Some further info - I have changed my router so it does not broadcast the SSID, and so that you can only connect to it if your MAC address is listed under the allowed devices which my phone is. I'm not sure if this would cause a problem - it never with the iPh*** (he who should not be named!) i had previously!
stoney73 said:
Try rebooting the router, and then flush dns settings in cmd.
how to flush dns http://www.tech-faq.com/how-to-flush-dns.html:
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Hi,
I had never thought of doing this but will give it a go tonight.
Thanks,
Luke.
luke222010 said:
Hi,
I had never thought of doing this but will give it a go tonight.
Thanks,
Luke.
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Its probably not the answer, but its one of those silly things...and the worst it can do is just freshen the connection.
EDIT:I messed up the previous link. so here it is: http://www.tech-faq.com/how-to-flush-dns.html
Just set it to 1464 then. We are on the right track.
Sent from my GT-I9100 using XDA App
This is driving me insane!
When I have WiFi enabled at the office, my Samsung Galaxy Note (stock ICS, rooted) constantly receives incoming data and I haven't got a clue which setting, app or service is causing this.
SystemPanel registers a nonstop stream of incoming traffic at 8 to 10 Kbps.
TrafficStats shows an accumulation of Received data under Total WiFi, but can't seem to link it a particular app or service: after resetting the data, no processes appear but the incoming data keeps on growing.
All sync options are off, I've tried to kill every running app or service (one by one, all at once), I've tried to block all traffic using Droidwall. As soon as WiFi is enabled, the incoming stream is unstoppable. When switching to 3G, there's no incoming traffic.
But to make matters even more mysterious, I do not have this problem with my WiFi connection at home.
It only occurs at the office, only on WiFi and (as far as I know) only on my phone.
Any ideas?
This is simply because your wifi antenna still "hears" the data going trough the wireless network on wich you are connecter. Event if your phone doesn't asks for any data at the moment the traffic there is on the network will still be counted by the wifi chip on your phone.
It will be the same on any public network or if you have another phone or a computer connecter on the same wireless router and generating traffic.
Thanks for replying, John!
That sounds very plausible, but then I still have to figure out why only my phone is registering this traffic - maybe it's an ICS thing or brand specific?
And I'll try to 'reproduce' it at home by connecting a laptop at the same time.
I think that the above is correct. That may be default behavior.
Sent from my XT862 using xda app-developers app
Well, I've tried to connect several devices at once on my home WiFi network, but it did not reproduce the incoming traffic problem I experience at work.
There were a few incoming bytes registered, not nearly as much as the constant stream of 10 Kbps at the office network...
Your works wifi may be set up like that. Who Knows?
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MrObvious said:
Your works wifi may be set up like that. Who Knows?
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Well, our it-department certainly does not.
You're probably right that this is normal behavior. I'll just have to figure out which drains less battery under these circumstances, WiFi or 3G. Thanks anyway for replying.
I'm on the mobile app, but if you have GSM then just switch to 2g until you use it.
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Djezpur said:
Well, I've tried to connect several devices at once on my home WiFi network, but it did not reproduce the incoming traffic problem I experience at work.
There were a few incoming bytes registered, not nearly as much as the constant stream of 10 Kbps at the office network...
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About this, it is simply that at your office there is traffic on the network (download/upload) while at home simply having devices connected doesn't generate traffic or almost none. Start several dl on several devices (phone laptop) (guess 2-3 is enough, maybe even one but not sure, not en expert after all ) then you should notice signifficant traffic on your phone, I guess!
So interesting I find this thread because I have the exact same problem!!!!
How I noticed it...when I am at home I drop 1% battery on Wifi per hour. 10hours = 10% (sometimes less).
I go to work on the Wifi, I DONT USE ANYTHING ON THE PHONE and the battery is DRAINING LIKE CRAZY!!! 5%/h or more!!!
( I am in airplane mode in both place)
So I was thinking, WTF with this work wifi, i am not doing anything at all on it. Then I look at my wifi icon I have a constant RECEIVE icon. And I bet my phone does not go to sleep or something.
So why in the world my work wifi is draining my battery and the one at home is not. I will check tonight but I dont think I have traffic like this. I am registering 5-6kbytes/s for nothing. The explanation given above is hands-waving. I do not agree with it fully. YEs sure there are several pings and beacon emitted back and forth but i do not think it is enough to cause 5-6kbytes/sec . The wifi is not in Monitor mode and it only receives the packets destined to my phone.
This is madness!!!! BTW When I had a different kernel on back on ICS this behavior stopped. I will try to monitor again.
kalinusa said:
So interesting I find this thread because I have the exact same problem!!!!
(...)
This is madness!!!! BTW When I had a different kernel on back on ICS this behavior stopped. I will try to monitor again.
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Hey kalinusa, did you find a solution to this problem?
I'm currently on the SpeedMod kernel, but that does not seem to make a difference to the 'office WiFi behavior' (so I keep my phone on mobile data).
I don't want to speak out of my ass, because I haven't a clue how the app works.
As far as I can guess SSH tunnel may help you. I would hope someone else could tell me I'm right, but I'm probably wrong.
I have had this same problem with two of my devices. The first is a Samsung Captivate with the last AOKP ICS build. The second is a Google Nexus 7 with AOKP's first Jelly Bean build (it happened when I had stock as well).
This only happens when I'm connected to WiFi at my university. The down arrow on the WiFi icon is ALWAYS on and it drains the battery. At home, I don't have these problems.
I emailed my university's IT department but I'm not sure if there's anything they can do. Anyone have any suggestions? Thanks.
I have exactly the same problem, but I think I found the reason which is causing it. I think that some of the routers are capable of the multicast over the wifi and then we can get a constant wifi traffic. I tested it at home, where I have enabled multicast over wifi and my phone wifi receiving the data all the time, even if it is in sleep. Now I'm in the office where we do not have such capable router with multicast over wifi and my phone wifi behavior is as expected. When I will be at home I will test it again with my router and with disabled multicast over wifi and hopefully it will solve this issue.
danielo said:
I have exactly the same problem, but I think I found the reason which is causing it. I think that some of the routers are capable of the multicast over the wifi and then we can get a constant wifi traffic. I tested it at home, where I have enabled multicast over wifi and my phone wifi receiving the data all the time, even if it is in sleep. Now I'm in the office where we do not have such capable router with multicast over wifi and my phone wifi behavior is as expected. When I will be at home I will test it again with my router and with disabled multicast over wifi and hopefully it will solve this issue.
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More than multicasts it could be broadcasts, what are you reaceiving. For example if you don't use WINS server in Windows domain, all computers use broadcast to get IP address for a computer name (if you dont use DNS name, but that's another story). At home, where aren't many computers, there are very few broadcasts. But somewhere, where a large amount of computers is on the same network (not splitted to broadcast domais), number of broadcasts would dramatically increase
btw. if you connect a PC to the same network as your phone and stop ALL running applications (mainly instant messangers, web browsers, e-mail clients) you should see the same network bandwidth in use as on your cell phone.
More than multicasts it could be broadcasts, what are you reaceiving. For example if you don't use WINS server in Windows domain, all computers use broadcast to get IP address for a computer name (if you dont use DNS name, but that's another story). At home, where aren't many computers, there are very few broadcasts. But somewhere, where a large amount of computers is on the same network (not splitted to broadcast domais), number of broadcasts would dramatically increase
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Interesting. Roughly how many devices would need to be on the same network, to see that kind of traffic load?
-- Sent from my TouchPad using Communities
post-mortem said:
Interesting. Roughly how many devices would need to be on the same network, to see that kind of traffic load?
-- Sent from my TouchPad using Communities
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It depends on what you consier as network load. If you start a network monitor like Wireshark or MS Network monitor and even if there is one computer on the network, you wil see "some" traffic (from time to time a few network packets). To generate constant network load, you'll need a few dozens of computers. And it always depends on how the network is designed and what applications the computers run. If all computers connect to a server, the network load will be a lot lower than if the computers share resources among them.
Or you can design your network in such way, that you divide computers into segments, where computers can communicate only with computers in its segment (or with some distant servers). This way the network load will dramatically decrease, as computers from different segments would not interfere.
I currently only have one computer connected to my home network atm via wifi, and it keeps a constant broadcast going to my phone for some unknown reason. I thought it was my dlna server, so I shut that off, and it is still broadcasting _something_... Its causing quite a battery drain, and unfortunately I cant seem to find the root of the issue. I've trolled through my router settings -- multicasting isnt on -- so Im at a loss. =\
Spz0 said:
I currently only have one computer connected to my home network atm via wifi, and it keeps a constant broadcast going to my phone for some unknown reason. I thought it was my dlna server, so I shut that off, and it is still broadcasting _something_... Its causing quite a battery drain, and unfortunately I cant seem to find the root of the issue. I've trolled through my router settings -- multicasting isnt on -- so Im at a loss. =\
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It can be caused also with the Media servers which runs on PC, also DHCP etc. It is not easy to eliminate all broadcast traffic and sadly our phones react at all that multicast packets.