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FIbre Support

Get expert support with your Fibre connection.

Connection very flaky

gouarfig
Conversation Starter
Private Message
Message 17 of 17

I've been having issues with my connection for weeks: the speed keeps fluctualing from 5Mb/s to 20Mb/s download (I used to get 25MB/s before) and it can change 3 to 4 times a day.

 

I'm now on my third factory reset. The chat support is useless: all they do is rebooting the router which usually reconnects at 18MB/s and in all magic the issue is fixed, bye!

 

Right now it's connected at 13Mb/s. At that speed I'm actually thinking of trying 4G broadband, it can't be worse any more 😄

 

For information, I'm on FTTC 35, with a Sagemcom Fast5364. I beleive my profile to be up to date 😉

 

What could be the next step?

 

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16 REPLIES 16

Message 1 of 17

Can I ask that you monitor the speed by checking the functionality of your Wi-Fi when connected, if it drops then, you can get back to us. 

Phili
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gouarfig
Conversation Starter
Private Message
Message 2 of 17

The router re-synced twice since, the speed seems to be a bit higher, but there are still packet loss when running some speed tests.

 

Screenshot 2025-11-10 at 11.42.53.png

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Message 3 of 17

@gouarfig just to confirm, how is the speed right now? 

Phili
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gouarfig
Conversation Starter
Private Message
Message 4 of 17

So the router resynced overnight (at 2am) and is still showing lower than usual connection speed (18Mb/s download, 4.5Mb/s upload).

 

I was running some speed test this morning on various devices and noticed something new that I never noticed before: some speed testers are displaying network errors. I tried a few different ones on a few different devices.

 

Attached screenshot from my iPad on Wifi, and my mac mini plugged in on ethernet (NO wifi).

 

IMG_0024.jpeg

Screenshot 2025-11-09 at 13.15.11.png

  

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gouarfig
Conversation Starter
Private Message
Message 5 of 17

Not the random disconnections, so far no.

But an end to end speed test is giving me about half of what I had last month: 10Mb/s download instead of the usual 20Mb/s

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Message 6 of 17

Okay ,so just to confirm the issue is not happening at the moment?

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gouarfig
Conversation Starter
Private Message
Message 7 of 17

Actually I don't use the Wifi on this router, the Wifi is disabled.

Instead I have a eero mesh connected directly to the router via an ethernet cable.

No wifi issue whatsoever. Just a slow speed (13Mb/s instead of 18Mb/s guaranteed).

It is a bit more stable though: it hasn't re-synced in the last 3 days now (it was disconnecting and changing speed 3 to 4 times a day last week)

 


Screenshot 2025-11-07 at 11.12.55.png
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Message 8 of 17

Perfect, Does the problem occur everywhere you try and use the WiFi, or just in certain parts of the house - for example upstairs, or outside the house?

 

-Issue occurs everywhere

-Issue only occurs in one or some locations

-Issue is not with WiFi

-Issue is with a single device

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gouarfig
Conversation Starter
Private Message
Message 9 of 17

Yes, we do have 2 mobile phones fully working, it's all good 🙂 

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Message 10 of 17

Thanks, Just to confirm will you or anyone who lives with you be able to contact emergency services while your services remail impacted?

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gouarfig
Conversation Starter
Private Message
Message 11 of 17

No I don't have anything like that. Thanks for asking.

I can also share the 4G on my phone as a backup 😉 

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Message 12 of 17

Thank you very much for letting me know. Just to confirming. Do you have any active monitoring for life threatening health reasons which is solely dependant upon your TalkTalk Broadband or Telephone line?

For example a care alarm, lifeline, health pendant or fall detector.

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Message 13 of 17

Yes, I'm currently at home 🙂

 

Thank you for your help

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nambuso-TT
Support Team
Staff
Private Message
Message 14 of 17

Thank you very much confirming. Do you have any active monitoring for life threatening health reasons which is solely dependant upon your TalkTalk Broadband or Telephone line?

For example a care alarm, lifeline, health pendant or fall detector.

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gouarfig
Conversation Starter
Private Message
Message 15 of 17

Yes I'm at home; sorry I didn't see the message earlier.

I will also be at home tomorrow (working from home all day)

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siphosethu-TT
Support Team
Staff
Private Message
Message 16 of 17

Hi there @gouarfig, please note that will have to run checks on the issue. I'll need you to confirm if you are currently at home so we can get started. Thanks

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