[Q] Issue with 5ghz functionality? - Xperia Z3 Q&A, Help & Troubleshooting

I have setup a 5ghz connection on my DLink router but my Z3 will not discover it, not even manually. Has anybody experienced this issue before? I am stock, unrooted.

Try changing the 5GHz wifi channels on your router and see

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3G and Wifi?

Hey, so I just picked this up but I can't connect to 3G or Wifi?
Have you gone to the settings menu and wireless, turned on wifi, and then selected a network? Are you using your own wifi? Is there wifi available where you are? Is there 3G available where you are?
We need to know the steps you've tried so we can help you.
Wifi - it tells me it is connected, but cannot browse unless I disconnect wifi when it happily connects using 3G. I can check the router and it has the Samsung's MAC address on its list of connected devices. Anyone else having trouble with wifi?
-Atin
Someone else was having problems with 5ghz vs. 2.4ghz in their router. Are you broadcasting wireless-N at 5ghz? Have you tried rebooting the router, and a battery pull on your phone?
I don't think I am broadcasting at 5GHz - what should I be broadcasting at? Yuck, I turned off wireless-N so it is only broadcasting b/g and now it works...
Weird - now I turned wireless N on too so the router is broadcasting a/n-b/g and everything is happy. I actually specifically turned *on* 5Ghz/2.4Ghz too so it has both (Airport Extreme router) that it will talk and the router tells me that the Captivate is talking 802.11b/g/n and now the phone is happy. Thanks for pointing me in the right direction - it was driving me nuts because I could see the wifi at Starbucks!
-Atin

Bluetooth disconnects WiFi

Whenever I am actively using bluetooth, my WiFi connection disconnects. I can see my network, but when I try to manually tell it to connect, it disappears, along with most other nearby routers. I had the same thing happen intermittently with my Samsung Captivate. Any ideas? Otherwise I haven't had any of the WiFi or Bluetooth issues others have had.
Thanks.
kyparamedic said:
Whenever I am actively using bluetooth, my WiFi connection disconnects. I can see my network, but when I try to manually tell it to connect, it disappears, along with most other nearby routers. I had the same thing happen intermittently with my Samsung Captivate. Any ideas? Otherwise I haven't had any of the WiFi or Bluetooth issues others have had.
Thanks.
Click to expand...
Click to collapse
Both occupy the 2.4 GHz frequency band, so I'm guessing this is why you're experiencing problems. If you have a router capable of 5GHz you may want to try that to see if it resolves the problem; I run only 802.11n (5GHz) in my house and don't have any problems.
RiPpeR_dUdE said:
Both occupy the 2.4 GHz frequency band, so I'm guessing this is why you're experiencing problems. If you have a router capable of 5GHz you may want to try that to see if it resolves the problem; I run only 802.11n (5GHz) in my house and don't have any problems.
Click to expand...
Click to collapse
I have a wireless-N router but it's not dual-band. I have it operating in mixed N and G mode with auto channel and 40 MHz channel width. I'll try changing some of these settings to see if that helps.

[Q] wifi - bluetooth interference

Will upgrading my Wireless Router to a 5GHz model solve my wifi-bluetooth interference problem?
Wouldn't I have to change my laptop and smartphone wifi to 5GHz also? How would I do that?
I do not think this would change anything. Sorry.
Edit: apparently it will.
YEs it will fix interference problems.

[Q] Help! Very bad wifi signal at 2,4Ghz?

Hello all,
I just bought a Oneplus One.
But when I tried to connect to my home Wifi (which is 2,4Ghz, and no options to use 5Ghz) it didn' t saw my router.
Now I downloaded Wifi Analyser, This is showing me that I only have a connection with my router if my phone is only a few centimeter/inches away from the router.
This problem is not in my router because i have this with all the wifi connections that are using 2.4Ghz.
All the wifi connections that use 5ghz are working fine.
I've already changed the channels on my router, which didn't make any difference.
I also did a factory reset, still nothing.
I also changed the settings of my phone to only use 2,4Ghz wifi.
I set my wifi performance to his max but still only connection with my router if I hold my phone a few centimeter/inches away from it.
Does anyone have any ideas that I can try? Its really annoying that I can use wifi
Thanks for your time!

Android 9 (Oxygen 9.02) wifi keeps switching between 5ghz and 2.4ghz connection

Hey everyone,
So I've been expernecing this problem for over month. Basically im connected to my wifi on 2.4ghz and suddenly my connection will drop and I check that its now connecting to 5ghz but it doesn't actually connect to it its just keeps connecting and disconnecting every second until it finally connects back to 2.4ghz. And then after few minutes of strong connection ill drop again and same thing.
Im only experiencing this at work. There isn't 2 different ssid for 5ghz or 2.4ghz just one ssid, I was able to find out that they are using dual band router so I can't change anything the router part. is there an app or some setting I can toggle with to enforce 2.4ghz band only? Ive already turned off smart switch and scanning but problem still here.
Thanks in advance!!

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