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MLO downlink extremely slow than single band Wi-Fi

MLO downlink extremely slow than single band Wi-Fi

MLO downlink extremely slow than single band Wi-Fi
MLO downlink extremely slow than single band Wi-Fi
2025-07-15 04:37:31 - last edited 2025-08-06 09:04:32
Model: Deco BE85  
Hardware Version: V2
Firmware Version: 1.1.1 Build 20241023 Rel. 34667

I have 2 Deco BE85 connected with Ethernet backhaul, and a smartphone (Zenfone 12 Ultra, support Wi-Fi 7) connect to its MLO network.

 

I found that the download speed of MLO is extremely slow that just connect to the single 6GHz Wi-Fi,

Even the smartphone shows the link speed of the MLO is 5764 Mbps.

 

Following is the speedtest with same client, same time, same server, but different Wi-Fi(MLO vs 6GHz)

 

MLO Speed

 

6GHz Speed

 

MLO Link Speed show by Android

 

I have test many times, the download speed of the MLO is always 10%~30% of the upload.

 

Maybe Related Post:

Archer BE11000 MLO Slower than Single Band

MLO speed loss on home network

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#1
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1 Accepted Solution
Re:MLO downlink extremely slow than single band Wi-Fi-Solution
2025-07-16 03:03:37 - last edited 2025-08-06 09:04:32

  @Kun99 

Hi, nice to see you again.

For the MLO speed issue, I'd like to follow up on your case via email and ask the senior engineer for further assistance.

Please check whether you have received my email.

Thank you very much.

Best regards.

▶Check What's Currently Going on With Deco ▶Deco BE85 1.2.0 Enhanced Mesh Backhaul Stability and Device Roaming Experience ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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#2
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2 Reply
Re:MLO downlink extremely slow than single band Wi-Fi-Solution
2025-07-16 03:03:37 - last edited 2025-08-06 09:04:32

  @Kun99 

Hi, nice to see you again.

For the MLO speed issue, I'd like to follow up on your case via email and ask the senior engineer for further assistance.

Please check whether you have received my email.

Thank you very much.

Best regards.

▶Check What's Currently Going on With Deco ▶Deco BE85 1.2.0 Enhanced Mesh Backhaul Stability and Device Roaming Experience ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
Recommended Solution
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#2
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Re:MLO downlink extremely slow than single band Wi-Fi
2025-07-16 04:11:03

  @David-TP Thanks!

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