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Original topic:

S20 Plus / Wi-fi connectivity issues

(Topic created on: 04-23-2020 06:08 PM)
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JAAP1
Active Level 1
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Galaxy S

Hi Everyone, 

 

I'm having an issue with my the wifi service on this device. I'm going to be as detailed as possible in hopes to try and clarify as much of my story as possible. Thanks in advance.

 

 

I just purchased my Samsung device through Samsung.com/ca and received my S20plus device on 4/22/2020. It's on the Bell Canada Network.

 

I unboxed it, put in my SIM card into the phone and got powered it on and went through the activation process. 

 

I joined my the Wifi network I have here at home and then started to re-download apps. I also noticed that there was an update VIA Software Update in Android. 

 

 

 

I noticed that nothing was really updating. I was pretty excited about getting this phone all sorted out and updated that I just turned the wifi off and finished pushing everything through my LTE cellular date ( I have 10gb unlimited so, I didn't care too much if I used up my data to get started) 

 

Later on in the evening when I was ready to start tweaking the phone and actually logging back into my apps. I realized that my phone was "Connected, No Internet access" 

 

I clicked on the Wifi to see the detail settings and it showed at the network speed was only 1Mbps instead of the 866Mbps that it should be like all of my other connected devices. 

 

 

The things that I've tried to do to resolve this issue are the following: 

 

- Forget Network and then reconnect and try (Didn't work)

- Restart the phone (also powered it down completely - Didn't work)

-Reset Network Settings in Settings -> General -> reset (Didn't work)

-I then tried to clear the partition cache (Didn't work)

-I booted the phone into Safe Mode and the wifi was still the same (Didn't work)

-Even though I have 15 different devices connected to my 2.4 / 5ghz Wifi Networks, I still tried a TON of various settings on my router, adjusting channels, changing the SSID trying to see if the S20Plus would be happy. (Didn't work)

-Lastly, I did a complete factory restore and wiped everything. 

 

 

This DID NOT WORK! I'm pretty frustrated with this brand new phone. I'm hoping that someone has had a similar situation where they were able to resolve this issue. The last thing I want to do is have to send this back for repair when its literally less than a day old not to mention, I put a fancy DBrand skin on this thing to boot. I'd hate to have to lose this $35 dollar skin. 

 

 

Did I miss anything? are there any other tricks that I could try? 

 

EDIT: Thought I might add a little more details. I have a Linksys WRT 1900AC Router and a 300Mb business internet (Fiber FTTP)

 

All of my devices connected to this router are working as they should be. The only problematic device is this S20. I've also taken the device to the office today and the phone is showing the same symptoms while connected to the network at the office.

 

thank you.

 

 

 

 

 

 

 

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1 Solution


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Solution
Galaxy S
I guess this is the phone problem then. 😕

View solution in context

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9 Comments
Galaxy S
I think you have done most troubleshooting steps. Just adding some thoughts here:

- Try reboot your router even though you have 15 devices have no problem and connected

- Take your phone to your friends home and connect to their Wifi and see if your phone doing the same thing or not. If not, we continue troubleshoot from there.
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JAAP1
Active Level 1
Galaxy S
Hi Tallman,

I had already restarted the router through the router interface and also physically powered off the router for 60 seconds.

I did try this phone with the wifi at the office and it was still doing the same thing.

I have a work iPhone was created a Hotspot for the S20 to connect too and its doing the same thing.
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Solution
Galaxy S
I guess this is the phone problem then. 😕
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JAAP1
Active Level 1
Galaxy S

Hey Tallman, 

 

 

So... I figured out what the problem was. Mind you - This makes absolutely no sense to me at all. BUT - 

I noticed in my router confing.

 

I had the the following DNS entries in my router.

 

-Static DNS1 : 192.168.11.1 (This is my router) 

-Static DNS2 : 192.168.111.1 (Work DNS - VPN Tunnel)

-Static DNS3 : 192.168.111.2 (Work Secondary DNS - VPN Tunnel) 

 

 

I removed Static DNS entries 2 and 3. 

 

and bingo! … The S20 is happy with the wifi. I've been doing various different tests and I also tested the phone again with my iPhone HotSpot and it works! 

 

 

It's really bizzare that because my S20 connected to my wifi with those DNS entries that it didn't like, it was affecting any every single other wifi network that I connected too. 

 

Anyway - I thought I would share this. I don't know if anyone else would have this particular issue that I had but, sharing is caring! 

 

thanks again for replying to me. 

 

 

 

Galaxy S
Glad to hear you resolve the issue. Without your DNS settings, I cannot guess the problem. Well done JAAP1. 👏🏼👏🏼👏🏼
mytech
Expert Level 3
Galaxy S
I'm confused 🤷 you said it was having the same issues at work WiFi? Surely YOUR router settings cannot help that 😕
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JAAP1
Active Level 1
Galaxy S
Hi Manikar,

this was my issue. I posted it above but ill copy and paste the solution to my problem here.

"I had the the following DNS entries in my router.

-Static DNS1 : 192.168.11.1 (This is my router)
-Static DNS2 : 192.168.111.1 (Work DNS - VPN Tunnel)
-Static DNS3 : 192.168.111.2 (Work Secondary DNS - VPN Tunnel)


I removed Static DNS entries 2 and 3.

and bingo! … The S20 is happy with the wifi. I've been doing various different tests and I also tested the phone again with my iPhone HotSpot and it works! "

i like having my dual bands under one SSID. this way I don't have to flip back and forth depending on how close and far I am from the router.

here is a Screencast to show you the performance of my router with dual band setup.


As you can see. my upload is exceeding my bandwidth cap by a fair margin. and its currently connected at 780Mbps to the router which I'm happy with.
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Imam2079
Beginner Level 2
Galaxy S

Hi, My new Samsung S20+ wouldn’t find my access point’s (Ubiquity APAC Pro) 5Ghz SSID network, very upsetting when you’re excitedly exploring you brand new phone. We are actually an iPhone family and there are about 30 devices access both 2.4 and 5Ghz SSID without any issue. Although S20+ connects to my 2.4Ghz SSID. After a lot of trials and errors I found out that all channel frequencies  of 5Ghz band isn't accessible by S20+; my router’s channel selection was on Auto and that was the problem. When I changed the channel to 153-157(US) it worked and found the 5Ghz SSID. Later I tried with all other channels and it can’t detect the 5G SSID. I think this is a bug in the WiFi adapter of the phone and I would appreciate Samsung to resolve the issue may be though a firmware update ASAP.
Cheers!

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keagan
Moderator
Moderator
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Galaxy S

Hey @ JAAP1

Sorry for the inconvenience caused to you. Your device needs to be examined by the Samsung authorized technician. Also please note that due to Covid-19 precautions, Service Centre operation hours may be impacted. Please contact the Service Centre before visiting to confirm hours of operation.

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