can't find all 5GHz wifi networks? - Galaxy S6 Q&A, Help & Troubleshooting

Hey all,
I can only find 1/10 of the 5GHz wifi networks. Does anyone else have this issue?
Greets,
swa100

I've tried it with 4 other galaxy s6's now and all of them can find only 1 5ghz network in my building, whilst all the routers are the same. Other phones like n5 or galaxy s4 work on all the 5ghz routers.what is up with the wifi chip in the galaxy s6?
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The problem seems to be that the galaxy s6 only works on 5ghz networks that are on channel 36. How is 5ghz wifi working for you guys?
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Nobody?
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FWiW, my S6 connects to my Netgear Extender on 5G ch 153, extending the range of my new Comcast 5G/2.4G Arris modem-router, also to my SM-P605V and this tablet. The Arris router is now on 5G default ch 36, but I see no reason to move it. 5G is empty here. I did move the 2.4G channel to get away from some neighbors. I use the WiFi Analyzer app to sniff the neighborhood 2.4G before picking the channels I want to use. HTH. YMMV.
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Related

[Q] G2X and Wireless N

Has anyone been able to successfully connect to 802.11n? I have a Cisco Linksys E3000 Advanced Dual-Band Wireless-N Router and my laptop connects to N without issue. My G2x has no issue finding my G band and connecting to it, but the N isn't even detected. I'm not filtering by MAC address and the N band has plenty of ip's available in the DHCP pool. Additionally, Other devices can connect to the N band without issue. I saw someone had mentioned something about wireless N previously, but I can't find the post anymore.
Izzydroolin said:
Has anyone been able to successfully connect to 802.11n? I have a Cisco Linksys E2500 Advanced Dual-Band Wireless-N Router and my laptop connects to N without issue. My G2x has no issue finding my G band and connecting to it, but the N isn't even detected. I'm not filtering by MAC address and the N band has plenty of ip's available in the DHCP pool. Additionally, Other devices can connect to the N band without issue. I saw someone had mentioned something about wireless N previously, but I can't find the post anymore.
Click to expand...
Click to collapse
I am the one having this issue also, but mine is with my dual band Time Capsule..Is there a setting somewhere how to activate the N on our phones?????
bueller? I'm just Curious. Seems we both are using Dual band routers. Anyone running strait 802.11n at home or the office?
Mine only saw my G band, not the N on my dual-band Linksys.
Izzydroolin said:
bueller? I'm just Curious. Seems we both are using Dual band routers. Anyone running strait 802.11n at home or the office?
Click to expand...
Click to collapse
i am and its connected and blazing fast good luck guys belkin
I just double checked a few spec sheets, just to make sure, but this is what they all say...
Connectivity
Bluetooth:Yes
Wi-Fi: Yes (802.11b, 802.11g, 802.11n)
So I'm fairly certain I'm not all hopped up on crazy pills like Mugatu. Is it possible this feature is disabled like the FM radio?
working here - dlink dir655 connected over N.
Wireless N works perfect here, using, umm, no idea what router my office uses
I'm able to connect to wireless n router also a dlink.
Sent from my LG-P999 using XDA App
nope its not picking up my wireless N band on my dual router (vizio), I think its more a froyo thing than anything
my mytouch wouldnt pick it up either, until I ran 2.3.3
Mine won't connect when I set my wifi (asus rt-n12 w/ dd-wrt) to wireless-n only. My nexus one had no problems with this.
I have a Netgear WNR3500L and set to 300Mbps.
Phone can only connect up to 72Mbps.
Izzydroolin said:
Has anyone been able to successfully connect to 802.11n? I have a Cisco Linksys E3000 Advanced Dual-Band Wireless-N Router and my laptop connects to N without issue. My G2x has no issue finding my G band and connecting to it, but the N isn't even detected. I'm not filtering by MAC address and the N band has plenty of ip's available in the DHCP pool. Additionally, Other devices can connect to the N band without issue. I saw someone had mentioned something about wireless N previously, but I can't find the post anymore.
Click to expand...
Click to collapse
I have a Cisco/Linksys WRT400N and all the phones (Nexus One-Super AOSP 2.3.3, G2-CM7 Nightly #40 2.3.3 and G2X Rooted Froyo 2.2.2) connect fine. Only when I was changing kernels or something did I ever have an issue.
N1M1TZ said:
I have a Netgear WNR3500L and set to 300Mbps.
Phone can only connect up to 72Mbps.
Click to expand...
Click to collapse
At most our phones can theoreticaly connect at 150 mbps, to do more than that you have to have dual band antenas inside of the phone which I don't know if there are any phones that even do that.
The phone does only 2.4 ghz N not 5 ghz N so check your routers to see what bands its using. Also 5 ghz N can go up to 300 mbps and 2.4 ghz N only goes up to 120 i believe.
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@david: 2.4 =
150
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It definitely supports N. I have a dual band router and my 2.4ghz radio was running 802.11G/802.11N and my G2X in Speedtest would hit 30mbps down and 20mbps up.
With JUST 802.11G the G2X maxes at 15mbps down and 10mbps up.
I've left the radio on 802.11G since it for some reason seems to take less battery and 15mbps is good enough for me right now
I'm connecting to my DIR 655 with no problems. What is everyone using to see what speed it's connecting at and whether it's connecting through B,G or N. I am showing a link speed of 65 mbps under network settings.
Linksys Dual Band N Router
Hmmm, I was looking up a problem I am having connecting to my Linksys Wireless N router and found this thread.
I am having the same issue... Can't connect at home over N, but connect at work over G with no issues.
Also I called TMobile a few days ago (had to return my original phone for another problem), but when we were trying to troubleshoot and I mentioned I had problems connecting at home, he asked if I had a Linksys wireless N router. I didn't think about it at the time until I saw this...
UPDATE:
Nothing I tried in these forums worked for me but I tell you what did. Using my old D-Link b, g router. Set this up and connected in no time, no disconnecting, no issues.
Working For me - fix is here
I had the same problem.
It wont show 5ghz / n by default.
First goto settings>wifi settings screen . click on menu and click advanced settings > Uncheck the wifi optimization.
And then scan networks. you should be able to find your n network.

[Q] 5Ghz wifi

Hi,
how can I see if I am connected at 2.4 or 5ghz?
I saw here http://support.google.com/ics/nexus/bin/answer.py?hl=en&answer=2375489 how to enable it, but with Cybergr rom I don't have such option.
Is it a limitation of the rom?
Or is it automatic?
Or could the option be somewhere else?
Other ways to see it?
Thanks
I have a simultaneous dual-band router at home, and the Nexus S only sees the 2.4GHz network. Hardware limitation, I suppose.
HK-47 said:
I have a simultaneous dual-band router at home, and the Nexus S only sees the 2.4GHz network. Hardware limitation, I suppose.
Click to expand...
Click to collapse
That's exact, 5GHz isn't supported. Only 2.4GHz.
I read that its bcm chip supported 5ghz, if it doesn't work perhaps it's missing an appropriate antenna.
Sent from my Nexus S using XDA

[Q] Does the galaxy note 10.1 have 5ghz wifi?

Hi, most reviews I've read online says it has 5ghz wifi, but I can't connect to my router via 5ghz wifi. The online manual downloaded from samsung Canada's website also says there is 5ghz (on pg. 101). My note 10.1 can't even see 5ghz wifi ssid. I know that my 5ghz wifi is working good because both my Acer laptop and LG O4X can connect to the 5ghz wifi. Is 5ghz wifi only available on certain models? I have GT-N8010 32gb wifi only model from Canada.
Yes all models have 5ghz not tested it though may be some issues with the settings
FWIW, I can see my 5GHz 802.11n router at home, but sometimes the detection is sporadic.
I can't see 5ghz wifi at all on my note 10.1. I even tried setting it up manually and it just says not in range. Is there some setting on my note 10.1 to turn on 5ghz wifi or is it broken?
5ghz is a relatively new technology I do not see there being any specific setting for that like I said never used but to there are couple of things you can try switch only 5ghz band on ur router and try setting it up close to the router and the band has one draw back and that is the range of signals.
Can you connect any other device on 5ghz and have to tried to connect it to another router with 5ghz bandwidth
5 GHZ Wifi
I am using 5GHz Wifi on my Note 10.1.....
i have an ac66r and have no problems connecting. the range sucks though. it also doesnt give me the extra speed boost i see on my laptop. the laptop only has n150.
My router is working fine. I'm able to connect to 5 ghz wifi with my laptop and my LG Optimus 4x. The signal is strong on both. I tried putting my note 10.1 without any case beside the router and still no 5 ghz wifi. I can connect to 2.4 ghz wifi fine. Any ideas on how to fix it?
Xcalibur007 said:
Any ideas on how to fix it?
Click to expand...
Click to collapse
Try changing the channel the router is using. Have you flashed firmware from a different region? Because some countries use different wifi channels than others.
I'm on stock rom, not rooted and haven't flashed with any other rom. It looks like that my 5ghz wifi is on channel 149. What 5ghz wifi channels can the note 10.1 use?
According to http://en.m.wikipedia.org/wiki/List_of_WLAN_channels that channels should be fine. Must be some other problem then.
Xcalibur007 said:
I'm on stock rom, not rooted and haven't flashed with any other rom. It looks like that my 5ghz wifi is on channel 149. What 5ghz wifi channels can the note 10.1 use?
Click to expand...
Click to collapse
I live in the USA and have a GT-N8013. The 5GHz wi-fi worked day 1, right out the box. I didn't have to do any special setup. Yesterday I upgraded to JB and it's still working fine.
My router's 5GHz access point is set to use WPA2-PSK [AES] with channel 153. I changed to that channel based on a recommendation from the Wi-fi Analyzer app. It wasn't necessary to change the default channel used by my router in order for the Note to see the AP or connect.
Maybe your Note is defective?
Is there a test to determine if it's a hardware issue? My 2.4 ghz wifi works fine. Are the 2.4 and 5 ghz wifi on separate wifi cards?
samir_a said:
5ghz is a relatively new technology
Click to expand...
Click to collapse
It actually predates 2.4GHz WiFi.
i use channels 44 + 48. decided on these when my GS2 failed to find the higher channels.
so it is probably limited like the phones to use the more common ranges.
Xcalibur007 said:
Is there a test to determine if it's a hardware issue?
Click to expand...
Click to collapse
Find some one with another 5ghz wifi network and if your note see it then the problem is your router. If it doesn't see it either then try a factory reset. Ultimately return for warranty.
kcrudup said:
It actually predates 2.4GHz WiFi.
Click to expand...
Click to collapse
Ya 802.11a was 5ghz.
5Ghz
At my duaghters school she can only see/connect to the 5.0Ghz wifi in the lower bands/channels. I raised this with Samsung and their official response was that 5Ghz was not supported. See below. Its obviously not as absolute as thier statement as we are connect to some 5Ghz wifi routers - has anyone found the same.
From: voc samsung [mailto:[email protected]]
Sent: 12 February 2013 12:15 PM
To: Richard Banks
Subject: WiFi Frequency Band Enquiry - Galaxy Note Tab 10.1 (GT-N8010)
Dear Richard,
Thank you for contacting Samsung Customer Care.
I have followed up on your enquiry and have found that the Galaxy Tab Note 10.1 (GT-N8010) does not support 5Ghz WiFi Frequency band.
I apologise for any inconvenience.
Thank you for contacting Samsung Customer Care.
Kind Regards,
Stephanie
Samsung Mobile Support
Phone: 1300 362 603
Email: [email protected]
gnote 8013
As long as i know, only the 8013 model can use 5 gz... as i read in Htcmania, a site from Spain.
"Modelo GT-N8013, es solo WIFI pero opera en dos bandas las de 2´4 Ghz (España, China...) y las de 5 Ghz (paises de países Arabe´s, de EE.UU...)"
Translate: model gt 8013 only wifi but operates in two ranges: 2.4 gz ( Spain, China, etc) and 5 gz ( for arabs countries Usa, etc.)
My Note 10.1 has actually done better on my 5Ghz network. On the 2.4Ghz network I was getting weird disconnects, inability to route traffic even though it showed connected, etc. Now that I'm on the 5Ghz side, I have not had a single problem in about 3-4 weeks.
[deleted]

Can't pick up wifi network...PLEASE HELP

I just purchased a dual band router because I have to use the 5.0 wifi channel in my apartment due to interference. My galaxy S3 picks up the channel but my tablet doesn't.
Is there any antenna mod/hack that I can due to pick up that signal? Any suggestions would help because it sucks not being able to use the internet when at home.
I am rooted and running Hairybean now but am open to any other roms also if that leads to fixing the problem.
Thanks!
Sent from my SGH-T999 using xda app-developers app
misterwal10 said:
I just purchased a dual band router because I have to use the 5.0 wifi channel in my apartment due to interference. My galaxy S3 picks up the channel but my tablet doesn't.
Is there any antenna mod/hack that I can due to pick up that signal? Any suggestions would help because it sucks not being able to use the internet when at home.
I am rooted and running Hairybean now but am open to any other roms also if that leads to fixing the problem.
Thanks!
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
Unfortunately the transformer series don't support the 5GHz band frequency channels. You are stuck with 2.4 I'm afraid.
Did you try using different channels? There are apps that show what channels are being used near you. Try to find one for your phone to see if there are any channels not being used.
Sent from my ASUS Transformer Pad TF700T using xda premium
Asus: https://www.asus.com/Tablets_Mobile/ASUS_Transformer_Pad_Infinity_TF700T/#specifications
Wireless Data Network
WLAN 802.11 b/g/[email protected]
IEEE 802.11a is the 5Ghz band. No 5Ghz band = No detecting 5Ghz signals.
As for the interference, you could try using a signal amplifier/repeater. Or moving your router (I've had to, there's iron framing inside the concrete walls.) to a point where the signal isn't blocked. If the interference is coming from other flats, try lining the wall with aluminum foil. (You can put wallpaper over it)
Also, use InSSIDer (PC) or an App to find out the channels used by surrounding networks, and change your channels to empty or less-used ones.

[Q] can't see the 5GHz signal

hi you all
I used to connect the 5GHz wi-fi network at home on my ipad, i just bought my new xperia z3 in israel... but the phone can't see the 5GHz signal, I'm using 2.4GHz instead. But my ipad can still see 5GHz signal and connect without any problems. The channels on 5GHz signal is 161 by the way.
So what might be the problem within my Sony Xperia Z3?
Thanks in advance.
Try setting the router to a lower channel. My router is set to 48 and the Z3C connects just fine.
By the way, channels from up 100 are not allowed to be used in Israel anyways (if I'm informed correctly)...
That could be why, is it possible the phone knows where it is and has certain channels disabled to comply with local law
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