Deco x20 slower than my old wifi

Deco x20 slower than my old wifi

Deco x20 slower than my old wifi
Deco x20 slower than my old wifi
2024-03-19 20:09:27 - last edited 2024-03-19 21:20:34
Model: Deco X20  
Hardware Version: V2
Firmware Version: 1.1.5 Build 20231026 Rel.62511

Modem: Inteno EG400
Wifi: Deco X20
Internet: Fiber 300/300

I bought a house a couple of months ago, and it allready had an Inteno EG400 installed. After a couple of weeks we bought a set of Deco x20. The range is great but the speed can't compete with the old inteno.

Both the Inteno and the main Deco x20 is mounted in the same place. The deco is connected to the Inteno with the ethernet cable that came with it. When using my phone close range I will get around 300/300  on both the inteno and deco. The problem occurs when I'm using my office computer, one floor up. Typically I will get 170/295 using the main deco. The inteno has a much greater speed at 270/190 but a lower up speed. So help me out, what could it be?


Things I've tried

- Turning off wifi on the Inteno
- Turning off the satalite deco.
- Turning off the 2,4 network on the deco
- Changing QoS value to 1000Mbps

- I don't use VPN 
- I have tried access point mode

 

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7 Reply
Re:Deco x20 slower than my old wifi
2024-03-19 21:11:55

  @MartinMartin 

 

Had conversation with someone few weeks ago on that forum, he had symmetrical Internet link, but asymmetrical WiFi speeds while running speed tests. Including quite strange faster upload speeds than download speeds. I suspected he had VPN on his device, that would explain, but he said not. 

After very extensive troubleshooting and not getting anything,and me giving up on that, he just changed his favorite speed testing tool to Ookla app and to his and mine surprise started to get good, symmetrical and consistent speed test results.

 

Also, in addition to everything you tried, I would suggest switching Deco mesh to Access Point mode and running it in that mode if you plan to keep it: Switching a Deco to Access Point (AP) Mode

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Re:Deco x20 slower than my old wifi
2024-03-19 21:19:08

  @Alexandre. 

Thanks for the reply! 

- I don't have a VPN as well
- I have tried access point mode
- I have only used speedtest.net but I'll download the app from microsoft store (but I do notice difference in speed when using youtube)

Could it be that the Inteno has a stronger wifi signal? It looks from my computer that the signal is about the same. Or maybe there is something wrong with my deco?

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#3
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Re:Deco x20 slower than my old wifi
2024-03-19 21:23:52 - last edited 2024-03-19 21:25:23

  @MartinMartin 

 

WiFi, just like Ethernet cable, does not care which way data flows. If you had slow, but symmetrical speed results, that could have been weaker WiFi signal. This is something else.

 

You said you have set of X20s. Bring one of Satellite Deco to PC and hardwire it to PC with Ethernet cable. That will eliminate anything related to how PC WiFi network adapter cooperates with Deco. See what speed test results you'll be getting on wired connection from PC to Satellite Deco. 

 

 

And, yes, use Ookla speedtest app installed on PC, and verify it (OOkla) connects to nearby server, or server hosted by your ISP. 

 

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#4
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Re:Deco x20 slower than my old wifi
2024-03-19 21:48:28

  @Alexandre. 

Okey, I've connected my satelite deco with ethernet cable to my computer. Unfortunately with the same result. Now I'm only using the app

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#5
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Re:Deco x20 slower than my old wifi
2024-03-20 12:41:40 - last edited 2024-03-20 12:42:13

  @MartinMartin 

 

I am going to give up on this, sorry. Perhaps, someone will have suggestions to share.

 

To summarize, this is what you have: symmetrical Internet link and asymmetrical speed test results on PC. These speed test results are asymmetrical for both your old router and Deco mesh, even if faster speeds are in different direction for router vs. Deco.

 

With Internet link of 300/300, both WiFi5 and WiFi6 protocols should be able to fully utilized it. They don't, in your situation.

 

The most common causes for such speed test behaviour are:

 

1. VPN configured on PC.

You said PC does not run through VPN.

 

2. Speed test app issues.

You said you tried different speed test app, same results.

 

3. WiFi network adapter issues in PC.

By my recommendation, you hardwired PC to Satellite Deco, which switched its link to LAN adapter. Without WiFi network adapter, the issue still there.

 

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I am out of ideas.

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#6
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Re:Deco x20 slower than my old wifi
2024-03-20 15:27:29

  @Alexandre. 

This was me.

In all fairness I also had to buy XE75 units and ditch X20.

I never tried Ookla with the X20's but I could feel the lack of bandwidth while just surfing the web while downloading, so something was off besides the seemingly buggy speedtester I started with.

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#7
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Re:Deco x20 slower than my old wifi
2024-03-20 15:42:31

  @Alexandre. 

Appriciated that you tried! I've tried to swap the satalite and the main to see if there is any difference, but it's still the same. I'm beginning to think that the deco x20 isn't that great of a product. Great range but slow wifi.

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