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New Member

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7 Messages

Mon, Sep 19, 2022 1:17 PM

Why does the AT&T Speed Test ALWAYS show significantly more bandwidth than any other test, and why does my bandwidth drop to 15 vs 300?

I have the 300 Mbps fiber plan. Routinely during the day, I have trouble with web meetings.

I check the speed using Ookla, or MeasurementLab, or Speakeasy.net.. I get a reading of 10 to 15 Mbps for the download, with the upload being 270 or so on average. If I do this 2-3 times in a  row, magically the bandwidth improves!

When I check the speed using AT&T's test, amazingly the upload speed increases from 10-15 up to an average of 300 Mbps.

It's a miracle! AT&T automatically fixes the bandwidth issue when I test the bandwidth. And if I test it using AT&T, it reports that I'm getting what I pay for. But if I don't use the AT&ST test, while it does improve, all of the other tests show less than 300 Mbps.

How is this miracle possible, where AT&T bandwidth tests temporarily clear up the bandwidth problem and report that I'm getting what I pay for?

Constructive

Employee

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30K Messages

3 months ago

Not a miracle. AT&T speed test tests right to AT&T server to show speeds between your home and AT&T. 

New Member

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7 Messages

3 months ago

@Constructive Okay, so it's not a miracle that AT&T speed tests ALWAY show higher bandwidth than others. That doesn't solve my problem though. 

Routinely, at different times of day, my download speed for my 300 Mbps connection drops to the 10-15 Mbps range, or even lower. Why is this happening?

Interestingly, if I run speed tests, after about 2-3 tests the bandwidth comes back up the normal 270 Mbps indicated by non-Att test services, and 330 or so Mbps for ATT speed test. It gives me the impression that ATT is rationing bandwidth, until a speed test is run, then it automatically quits rationing it, triggered by my speed tests.

tonydi

ACE - Guru

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8.6K Messages

3 months ago

What city do you live in?  Asking because there are a couple of regions reporting this type of issue.

ATTHelp

Community Support

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204.2K Messages

3 months ago

Hey @gusanosdentrostereos, let's look at your Internet speeds together.

 

If you haven't already, we suggest rebooting your gateway. It's a simple step to take that can potentially fix a lot of common issues. 

  1. Unplug the power cord from the back of your gateway or modem. If you have: 
    • An internal battery backup, remove it
    • DSL, unplug the phone cord from your modem or gateway
  2. Wait 20 seconds.
  3. Put the internal battery back in if you have one. 
  4. Plug the power cord back in. If you have DSL service, reconnect the phone cord.
  5. Wait up to 10 minutes for the gateway or modem to restart and your Broadband light to turn solid green.

We also suggest performing a factory reset if that doesn't work. Doing so will give your gateway a clean slate to work from. Keep in mind, performing a factory reset will delete any custom settings you may have. 

  1. Press and hold the gateway Reset button for at least 10 seconds. If you let go before 10 seconds, the gateway will reboot, but it won’t reset.
  2. Wait until the gateway restarts and all the status lights are lit. 
  3. See if the Broadband or Service status lights are solid green. If so, the reset worked.

Please let us know if these steps worked, as we may need to schedule a tech. 

 

We hope to hear from you soon!

 

Tyler, AT&T Community Specialist

New Member

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7 Messages

3 months ago

I've gone through the reset process before. I will try it again. 

At 11:50 AM today, download speed was in the 4-5 mbps range.

New Member

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7 Messages

3 months ago

If I try the factory reset option, does that reset things like the network name and password? If so, how do I set those up again?

ATTHelp

Community Support

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204.2K Messages

3 months ago

Hey @gusanosdentrostereos, let's keep working on your Internet together.

 

Yes, performing a factory reset will reset your network's name and password to the default settings. These can be found on the side, or bottom, of your modem. You can easily change your network name and password by using Smart Home Manager. 

  1. Sign in to Smart Home Manager.
  2. Scroll to the My Wi-Fi card and choose Change next to the name or password.
  3. Select X to clear existing info, then enter a new name or password.
  4. Select Save.
  5. Reconnect your devices with the updated network info.

Please let us know if this helps, as we may need to schedule a tech.

 

Tyler, AT&T Community Specialist

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