Wi-Fi issues on samsung s4 - Galaxy S 4 Q&A, Help & Troubleshooting

It will connect to my router fine then I can load a webpage but after that nothing loads but it remains connected. My S3 and note 10.1 work fine and everything else does too
I have the latest sky hub router and I have tried different routers but still same problem
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What's the behaviour like if you disabled WiFi and just used mobile data?

Yeah its fine but I hardly get 3g signal inside where I am thats why I need wifi
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buffblueyes said:
Yeah its fine but I hardly get 3g signal inside where I am thats why I need wifi
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THere are a few reports of incompatible routers
I'd suggest to try a different router to see if the WIFI works

winwiz said:
THere are a few reports of incompatible routers
I'd suggest to try a different router to see if the WIFI works
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Click to collapse
Ye try a new router or check for a Firmware update for your router, all the issues I am seeing with WIFI are incompatibility between the S4 wifi chip remember it now has AC standard included as well as N. In most cases a router that is less than a year old should have a firmware update older than that your mileage will vary.

Well it connects to the router and usually works to load a web page or fb once n then stops working but today its been working ok apart from once or twice so I doubt its the router if today its been working ok today mostly but I could be wrong
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Related

[Q] Wi-fi Hotspot

Will it connect to a portable Wi-Fi hotspot from your phone? Has anyone tested that feature yet?
If it has wifi it will. It doesnt matter where the wifi is coming from. Its still wifi.
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OK, Thanks for the reply.
stumpyz9 said:
If it has wifi it will. It doesnt matter where the wifi is coming from. Its still wifi.
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Actually, I think it matters what WIFI type you are doing. I have read that the KF will not support ad-hoc networks and some hotspots are set up this way. It will support Infrastructure Wifi.
From the specs list on Amazon, :
Wi-Fi Connectivity: Supports public and private Wi-Fi networks or hotspots that use 802.11b, 802.11g, 802.11n, or enterprise networks with support for WEP, WPA and WPA2 security using password authentication; does not support connecting to ad-hoc (or peer-to-peer) Wi-Fi networks.
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Click to collapse
Which is to say, no, it will not work with the many phone hot spots which produce ad-hoc networks.
I can confirm that you can use a phone as a hot spot and connect to the Fire. HTC EVO MUI rom... Have not tested others.
Works fine with portable hotspot on CM7.1 on Inspire
Works flawless with galaxy s2 sprint.
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Ii connected better to my phones wifi hot spot than it did to my work wifi.
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Well acording to all theese people doing this as we speak, im pretty sure it will work lol
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Working fine here too. From Samsung Galaxy SII to Kindle Fire. Works fine. ATT sucks.
What about Barnacle Wifi Tether? Does it work?
jermean said:
Ii connected better to my phones wifi hot spot than it did to my work wifi.
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Actually somewhat had the same issue at home. At first it would connect to home wifi, then lose connectivity while all other wifi devices were fine..and worked flawlessly while tether. After reboot seemed to solve the issue, but was wondering if others were experience strange behavior like this?
So... does the KF work with Phones using Ad Hoc network-based apps from the market or only AP mode?
Works fine on my Optimus V
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Connected to my rooted Atrix 2 with wifi hotspot, no problem.
yep works fine with my droid pro
EVO 4g and wifi tether are good
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iOS tethering (As it is Ad-hoc) does not work.
xodlike said:
iOS tethering (As it is Ad-hoc) does not work.
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That's why you use the "Personal Hotspot" of iOS which creates a Wi-Fi network. That's how I use my KF on the go.

Wifi problems...

My note always receive low wifi singals n low speed while other devices like ipad n sensation have full signals...can someone help me with that...
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The wifi signal icon sucks.
Its mean nothing...
If you wanna see the real strength of your wifi, check with "wifi analyzer" or similar from market...
Sent from my Samsung Galaxy Note
Bt even the download is slower thn other devices
hey dude from th photo the note has 3 lines full which is same with i-pad
just joking hahahaha
I agree about the Wifi. In areas where Wifi is weaker, my iPod Touch performs far better than the Note in connecting
Same issue with me from past two days of usage.
Which version of OS are you using as mine is DDLA1(Unrooted) and I am facing the same issue, I can say this because I have used older firmware version(DDKL1) earlier that was rooted and wifi was excellent.
Never had this problem with all the version I went through. Now I'm on stock rooted LB1
Sent from the beast
I agree completely. The Notes wifi is quite weak. Can a new modem improve this?
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the wifi signal is comapriably slower than my old hd2, side by side they are both connected via n signal to the router, note is showing 52mb and the hd2 running android is showing 58mb
I get much better connection on the other side of my house than any previous phone or tablet. I must say that even a couple of metres from the router I can get only a couple of 'bars', but download is still very fast.
jeromepearce said:
I get much better connection on the other side of my house than any previous phone or tablet. I must say that even a couple of metres from the router I can get only a couple of 'bars', but download is still very fast.
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Ok, what modem are you running as my Note has a much slower download than my other devices.
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wifi much slower
Even i have been experiencing the same problem and with that my wifi also loses its network some times. ....also its slower my other phones
Modem does not control wifi.
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I am on basebans lb1 and build lb2
In my case I experience the same low bar and slow speeds. But worst of all, I can't connect to my wireless N router (only G) , the Note doesn't even see it!
I'm on ICS MidNote 2.0
Any ideas?
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Rayan said:
In my case I experience the same low bar and slow speeds. But worst of all, I can't connect to my wireless N router (only G) , the Note doesn't even see it!
I'm on ICS MidNote 2.0
Any ideas?
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Do a search (not being mean/rude, just not at a computer to find it for you) about WiFi on the Note in either this or the Q&A section. I read about a month ago that there's a text file that contains the authorized WiFi bands for your country, and since there's no US ROM the bands listed are incorrect. Of course you have to be rooted to change it (which you are), but I'm not so just living with G.
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Wifi Improved...!
aniketsharma9865 said:
I am on basebans lb1 and build lb2
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I rooted my device yesterday and flashed AbyssNote Kernel 4.2 and Wifi seems to work fine.
i also got this wifi problems, the htc desire hd got a much better signal
This is a big issue with my Note too. Sometimes signal will be showing aa strong, but then I get message....cannot connect to the server. Compared it to my s2, and the s2 had no problems making a connection.
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I don't have this problem anymore after get to change the motherboard..
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Anyone else experiencing slow download speeds?

So me and both of my friend had trouble loading a YouTube video, it was so slow and kept pausing. We both have the Nexus 4 and were on wifi by the way. So we tried using another friends S III and it loaded the video fine. When I ran a side by side speed test he got a 19 mbs download and I could only pull 2. Is this happening to anyone else?
Edit: we were on the same wifi
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Did you try turning off Wi-Fi optimization in settings?
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outz said:
Did you try turning off Wi-Fi optimization in settings?
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No I kept it on but earlier in the day I was getting perfectly good speeds. Like sometimes my speed is fine and then sometimes it's slow.
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Ngo93 said:
So me and both of my friend had trouble loading a YouTube video, it was so slow and kept pausing. We both have the Nexus 4 and were on wifi by the way. So we tried using another friends S III and it loaded the video fine. When I ran a side by side speed test he got a 19 mbs download and I could only pull 2. Is this happening to anyone else?
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Me too I just switched from vzw iPhone 5 and I have T-Mobile now.... I cant even download my apps from the market and I have to get hot spot from my girls i5
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It obviously shouldn't be that way. Since this is wifi, try a mix of different networks. Lord knows, this wouldn't be the first phone with wifi issues with certain network security types right out of the gate (or wifi problems in general).
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Ajfink said:
It obviously shouldn't be that way. Since this is wifi, try a mix of different networks. Lord knows, this wouldn't be the first phone with wifi issues with certain network security types right out of the gate (or wifi problems in general).
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Yeah I switched to another network and it went fast again. Was just wondering if anyone knew the cause of the sudden slowdowns though.
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On T Mo, I have had it flip from H+ to 3G but all in all in my speed test without changing anything APN wise I consistently get around 16mbps down. You tube and such flies (HQ) and even on wifi on Xfinitys basic package on a G band router I have no issues at all with wifi and YouTube in HD. Sorry, I'm no help but I haven't had an issue.
Oh my bad, I forgot to mentioned that we were on the same WiFi.
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Yeah I have that problem on my WiFi as wells slow speeds. Have to switch to hspa to download apps, rediculous
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I've also had this on WIFI, thought it was my router, may have to play with router settings a bit to see what's happening.
Its only really noticeable when I try to play a youtube video, although had it other times too.
Also switching to mobile data for youtube as its faster!
phil001 said:
I've also had this on WIFI, thought it was my router, may have to play with router settings a bit to see what's happening.
Its only really noticeable when I try to play a youtube video, although had it other times too.
Update!!! I figured it out its googles servers they are overloaded this is what makes me think that. Play store loads slow as well as YouTube! Not our phones!
Also switching to mobile data for youtube as its faster!
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I think something is wrong with our WiFi radios. Might need an update. Its happening to a lot of us.
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I'm seeing this issue as well and it's occurring on 2 completely different wireless networks: at home and in the office. I've tried tweaking wifi settings on both my Nexus 4 and on my router at home but nothing has fixed the slow wifi speeds. And none of my other Android devices are experiencing this issue (Nexus 7, Galaxy Nexus, Motorola Xoom).
I called Google Play support just now and they didn't have any info to offer on whether or not this is a known issue, they just asked if I'd tried restarting my phone and/or done a factory reset. After I verified that I'd already done both things and neither action resolved the issue they said I could exchange the phone, so that's what I decided to do.
If this problem is indeed being caused by faulty hardware in the phone, hopefully the replacement phone will be in a better state and work properly. <crosses fingers>
It's the router that needs to be updated, not the phones. Obviously if you're is broken though that is irrelevant.
Can't say why that is, but I read a thread awhile back detailing it, I will try and locate it.
http://forum.xda-developers.com/showpost.php?p=34260682&postcount=25
Seemonsters said:
It's the router that needs to be updated, not the phones. Obviously if you're is broken though that is irrelevant.
Can't say why that is, but I read a thread awhile back detailing it, I will try and locate it.
http://forum.xda-developers.com/showpost.php?p=34260682&postcount=25
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That makes no sense seeing as everything else works fine on my Wi-Fi
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i did the same thing. as it was mentioned, turned on and off "data" " data roaming" and "2g" after that Kaboom! went from 3-7mpbs to 12-15mpbs
remydlc said:
i did the same thing. as it was mentioned, turned on and off "data" " data roaming" and "2g" after that Kaboom! went from 3-7mpbs to 12-15mpbs
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So you just unchecked and checked?
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remydlc said:
i did the same thing. as it was mentioned, turned on and off "data" " data roaming" and "2g" after that Kaboom! went from 3-7mpbs to 12-15mpbs
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Click to collapse
horr1blek1tten said:
So you just unchecked and checked?
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I think remydlc is referring to download speed over a cellular data connection, and not WiFi (which is what this thread's topic is really about). At least that's the way I read it...
Is this related... I have noticed compared to my old S2 and iPad my nexus has fewer bars and the signal can drop if held in the left hand. The connection speed can be much less too.
Not good.
could it possibly be trying multiple networks? I have a dual band 5 and 2.4 but they have different ssids - my initial set up was to the 5 ghz but when the google restore happened it populated my 2.4 ssid and pw. I found I had to "forget" all my configured access points and just set up my 5 ghz one and everything was smoking
glenroebuck said:
could it possibly be trying multiple networks? I have a dual band 5 and 2.4 but they have different ssids - my initial set up was to the 5 ghz but when the google restore happened it populated my 2.4 ssid and pw. I found I had to "forget" all my configured access points and just set up my 5 ghz one and everything was smoking
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Click to collapse
I don't think this is causing the issue (at least for my phone). I've had the slow WiFi speeds on 2 completely different networks, with one being the campus network of the university I work at. Also, I've tried using my Nexus 4 on 2 different routers at home, one of which can do both 2.4/5.0 ghz and when I tried manually setting the phone to just use either the 2.4 ghz or the 5.0 ghz network it made no difference; the phone's WiFi speed was still very slow.
I'm feeling pretty convinced at this point that it's something faulty with the phone. I pretty much tore down and rebuilt my home network yesterday and tried all different types of settings to test the result on my Nexus 4 and nothing made the WiFi speed any better on the phone.

Wifi issues

Just got my s4 and I am having a issues with my wifi. When I connect I can use it for about 5 min then it stops downloading. The icon on my phone shows that it is uploading but I don't think it is. Anyone else having wifi issues? I know it's not my wife because my ipad and all my other wifi devices work just fine. I have dlink dir 655 wireless N router and I am not rooted.
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Hah, "Wife issues."
But so far, I haven't had any WiFi issues. Mine has stayed connected consistently.
Yea sorry bout that didn't notice that my phone doesn't know what wifi is haha. I don't know what's going on with my phone. It just stops downloading then like 5 min later it starts then stops again.
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does it keep disconnecting & reconnecting?
Yes, it locks up showing that it is stuck uploading then I have to wait a minute or 2 for it to disconnect then reconnect.
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choby411 said:
Yes, it locks up showing that it is stuck uploading then I have to wait a minute or 2 for it to disconnect then reconnect.
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I dunno bro mine stays connected all the time... return it for a new one.
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choby411 said:
Just got my s4 and I am having a issues with my wifi. When I connect I can use it for about 5 min then it stops downloading. The icon on my phone shows that it is uploading but I don't think it is. Anyone else having wifi issues? I know it's not my wife because my ipad and all my other wifi devices work just fine. I have dlink dir 655 wireless N router and I am not rooted.
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Click to collapse
I also have the dir 655 router and have the same issues connecting. After searching this issue, it appears that this router has compatibility problems with Samsung phones. I have connected with no problems to AT&T's hotspot, my wifi at work, the wifi at my car dealer when getting service. I only have problems when I'm at home with the Dlink. I've tried WPA with TKIP, WEP, and no encryption at all and it will constantly lose connection no matter what I do.
My work uses an ASUS router with WPA2 and AES and I am connected all day so I went out and ordered one. Hoping that when it arrives on Tuesday that I will have no more problems connecting.
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Sorry about the wrong thread it was late last night and wasn't paying attention, also why the title of the post was wife issues haha. Good to know it is not my phone that isn't working . I have another wireless router I am going to try out here in a bit and see if my dir655 was the culprit. Thanks for the heads up!
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Just set up a netgear router I had as a spare and no problems now! Hopefully someone can find a fix for the dir 655, such a good wireless AP! Thanks again Will822!
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choby411 said:
Just set up a netgear router I had as a spare and no problems now! Hopefully someone can find a fix for the dir 655, such a good wireless AP! Thanks again Will822!
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Glad you got yours working. Hopefully I get my new router soon.

WIFI slowdown bug still on 4.3...

I just upgraded my n7100 to 4.3 and the wifi bug (slows down after a while in standby) is STILL present! Is there a reason why this is never fixed?
I have tried with CM10.2 and that bug is not there.
I have same issue on 4.4.2 omnirom. So annoying.
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I think that, this affects only specific models. I have wifi always on, connecting to different networks through the day and no issue, no slowdowns and great range. Maybe you should see an service center.
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I had it on 4.1.2 but not on this one. In fact I didn't use Wifi because of that and the huge battery drain. I can now use it again ase both problems seem to be solved
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Pezmet said:
I think that, this affects only specific models. I have wifi always on, connecting to different networks through the day and no issue, no slowdowns and great range. Maybe you should see an service center.
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Maybe it has to do with the internet router?! I had the same issue with galaxy s3 a year ago. But i have changed routers aswell so it has to be a combination of router bands/model/speed etc.
But since it works with CM10.2 custom rom, it is likely the wifi drivers on the phone that is somewhat incompatible with my kind of router...
You know that you have a option in wifi defenicions to switch between networks if wifi is weak
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EclipseX said:
You know that you have a option in wifi defenicions to switch between networks if wifi is weak
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That is switching from wifi and mobile data... The problem is not weak wifi signal.
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I know.....I solve the probleme with that. .for some reason the wifi is weak for 'code' and then switch.....tell me when u disable that feature
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i also noticed that after the upgrade to 4.3

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