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Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps

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Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps
Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps
2021-07-03 17:23:23
Model: Deco M4  
Hardware Version:
Firmware Version: 1.5

Hi, I'm new here so would really appreciate any help. I have M350 with Virgin Media, their Hub 3 in Modem mode and 2 M4's set up in router mode and ran with this for months with a solid 300Mps+ connection wirelessly. Last week, with no changes, the connection speed dropped to 90Mbs.

 

I have set the QoS to 1000/100, rebooted, cleared priority devices, checked the Hub 3 wireless speed (380Mbs) and struggling to figure it out. 

 

When I run a Diagnosis within the Deco App, it says the Bandwidth is 100M? Should this be 1000Mps?

 

Any advice appreciated. 

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Re:Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps
2021-07-05 11:36:45

@danfonline 

Hi, the speed test under Wi-Fi assistant is the speed between your smartphone to the Deco, not the total internet bandwidth;

But 100m/s out of 300m/s is still not enough;

In case it is a cable issue, could you please change a new cable and connect to the 2nd Ethernet port of the main Deco to have a look?

Or have you ever tried to change another Deco as the main unit:

https://www.tp-link.com/support/faq/2400/

Thank you.

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Re:Deco M4 R speed drop on Virgin Media from 380Mps to 90Mps
2021-07-05 12:14:30

@TP-Link Thank you for your response. I will try with a different cable this evening. It was 300Mbs+ before with no change in cable so didn't think to try. Will report back. 

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