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Message 1 of 13

BT 900 slow speed

Hi all, 

I had BT 900 broadband installed yesterday and when I run a speed test I'm getting about 90mbps not the 900mbps or 450mbps which is the guaranteed speed. Has anyone else had this problem and know how to fix it? I tried calling the helpline but gave up after 48 minutes on hold!

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12 REPLIES 12
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Message 2 of 13

Re: BT 900 slow speed

How are you testing your speed, wired or wireless? Which speed test are you using? Fast.com is recommended for an ethernet connection.

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Message 3 of 13

Re: BT 900 slow speed

Possibly a confusion between megabits and megabytes per second?

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Message 4 of 13

Re: BT 900 slow speed

@Keith_Beddoe  Possibly that's why I asked how and which test .

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Message 5 of 13

Re: BT 900 slow speed

Thanks but there's no confusion they advertised and sold me BT 900 the fastest connection in the UK and I'm getting BT 900 the most mediocre connection in the UK. I previous had virgin 100mbsp and it averaged at 110mbps, this connection isn't even close to thoes speeds and is only 10% of what has been promised.

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Message 6 of 13

Re: BT 900 slow speed

Hi thanks for the quick reply, I'm testing on WIFI using speed test pro. I know a wired connection would be faster but 810mbps faster?? It can't be that different surely.

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Message 7 of 13

Re: BT 900 slow speed

Hey guys,

Also upload speed is faster than download??

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Message 8 of 13

Re: BT 900 slow speed


@Ajbreen85wrote:

Hi thanks for the quick reply, I'm testing on WIFI using speed test pro. I know a wired connection would be faster but 810mbps faster?? It can't be that different surely.


Let us know when you've done a wired test.

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Message 9 of 13

Re: BT 900 slow speed

Hi, I ran a wired test and got between 600mbps and 940mbps this was using fast.com when I unplugged the ethernet cable and tested WIFI I was getting around 60mbps to 110mbps. Any idea why the WIFI is running so slowly?
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Message 10 of 13

Re: BT 900 slow speed

Mine went down from 915 mbps to average 350...what’s going on?

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