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Internet dropping out during file uploads

internetbad — Tue, 02 Dec 2025 15:02:21 GMT

Hi,

My connection is dropping while uploading files or sending requests in general to different web services. The hub is showing a blue (working) light during the event and the disconnect only happens for a few seconds but it's really annoying.

It always happens while sending a request, e.g. using Chrome, navigating to a webpage i'll notice my webchat has dropped out (everything I'm connected to will drop out, online games, etc.) in another tab and is attempting to reconnect.

Also uploading files will cripple my download speed for some reason. My internet is awful 60mb/download with 15mb/s upload. I'm using windows 11.

Curious if anyone has experienced this too?

Cheers

Re: Internet dropping out during file uploads

Alex_H — Wed, 03 Dec 2025 14:41:42 GMT

Hi @internetbad,

Welcome to the BT Community

Sorry to hear you are having some issues with your connection dropping. If you have not done so already I would recommend running through the steps on our online trouble-shooter which can run some checks to try and help with resolving issues.

If there is no change then I would recommend getting in touch with our technical team so they can run some checks on your line to help with getting it sorted.

Alex

Re: Internet dropping out during file uploads

internetbad — Sun, 14 Dec 2025 02:04:00 GMT

i've called bt to have checks done.

They said the line is fine... but it's not.

Everytime I transfer files to the cloud, my internet starts tanking and everything gets disconnected... even sending simple http requests to load a webpage can disconnect services

Re: Internet dropping out during file uploads

shakey1981 — Sun, 14 Dec 2025 12:24:40 GMT

the upload is tanking os this on wifi ?

Re: Internet dropping out during file uploads

licquorice — Sun, 14 Dec 2025 13:00:12 GMT

Saturating upload will always be detrimental to download due to the volume of Acks being returned.

Re: Internet dropping out during file uploads

internetbad — Thu, 18 Dec 2025 14:14:17 GMT

I'm connected via an ethernet cable.

I can understand my download being affected because I'm uploading... but the amount of data i'm uploading (around 2mb/s... my speeds provided by BT is 60+mb/s upload 10mb/s down) for my download to be affected is ridiculous. I can't do anything while I'm uploading, even the upload itself is being disconnected alot of the time and requires a reconnection... surely there is some sort of fault with the line? Never had this before at a previous property.

Re: Internet dropping out during file uploads

Peter_W — Fri, 19 Dec 2025 13:24:39 GMT

Thanks @internetbad, I'd definitely recommend giving the line check another go like @Alex_H recommended here.

If there's nothing found you should be given the chance to connect with a member of our team, and you can troubleshoot things further from there.

Peter