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Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops

Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops

Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops
Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops
a week ago - last edited a week ago
Tags: #Wi-Fi 7 #MLO Network
Model: Archer GE400  
Hardware Version: V1
Firmware Version: 1.0.6 Build 20250930 rel.43997

​I recently purchased the Archer GE400, and while I expected a premium experience for the price, I am experiencing several severe bugs. There are two specific issues that are incredibly frustrating and completely ruin the network stability:

​1. Wi-Fi Calling (VoWiFi) is Unusable

Making or receiving calls over Wi-Fi has become a complete nightmare. The audio constantly cuts out, stutters, and calls frequently disconnect entirely. I am currently forced to manually turn off Wi-Fi on my phones just to have a normal, stable phone conversation. (I am experiencing this on both a Galaxy S24 Ultra and a Pixel 6a).

​2. MLO Causes Random Disconnects

The flagship Multi-Link Operation feature is completely unstable. It causes my phones to randomly drop the Wi-Fi connection entirely for a few seconds before reconnecting. The drops are so disruptive that I have been forced to completely disable MLO in the router settings.

​Current Setup:

​Firmware: 1.0.6 Build 20250930 rel.43997

​It is extremely disappointing to spend this much money on a top-of-the-line Wi-Fi 7 gaming router, only to be forced to disable its biggest advertised features just to keep my network from crashing.

​Are the engineers aware of these specific MLO and VoWiFi conflicts? Is there any future firmware update planned that will addresses these issues? Or my hardware is faulty?

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#1
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Re:Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops
a week ago

Hello @Arnab9191 ,

Welcome to our community.

 

It seems you are experiencing both Wi-Fi calling and MLO network instability. Here are some suggestions for each of these situations.


For the Wi-Fi Calling:

  1. Does your ISP (Internet Service Provider) offer Wi-Fi calling service? Please ensure that the Wi-Fi calling option is enabled in your phone's settings.
  2. On the router, please disable SIP ALG: Log in to the router's web management interface, go to Advanced > NAT Forwarding > ALG.
  3. Reserve IP addresses and enable port forwarding:

   • Go to Advanced > Network > DHCP Server and add an address reservation entry in the Address Reservation section for both your phones
   • Go to Advanced > NAT Forwarding > Port Forwarding to configure port forwarding for UDP port 500 and port 4500

 

For the MLO Network:

Do you have other clients supporting MLO Network? Can they access the network stably? If you're experiencing wireless instability with MLO, here are some suggestions that may help:

  1. Make sure the Router is properly placed in an open area instead of inside a cabinet or shelf.
  2. In the web interface, go to Advanced > Wireless > Wireless Settings, and try different Wi-Fi channels to avoid nearby interference. It's recommended to use 5GHz and 6GHz for the MLO network. Set the 5GHz channel width to 80 MHz or 40 MHz to avoid interference.
  3. Make sure the client devices are not included in any Parental Control profiles.
  4. Ensure the network adapter drivers, system, and firmware on your Galaxy S24 Ultra and Pixel 6a are up to date.
  5. Important Notes:
      • MLO will only work if both the router and the client device support this feature
      • The Wi-Fi mode for 2.4GHz, 5GHz, and 6GHz must be set to 802.11be (default) for MLO to function
      • The MLO network name should be different from the main network name.

 

If you have any troubleshooting results, please feel free to reply here; we can conduct further analysis.

Welcome to Our Community！ Check Out the Latest Posts: △New Firmware for Archer BE400 V1 to Support IPv6 VPN, Wake On LAN, and More △New Firmware for Archer BE800 V1 to Support VPN Merge, EasyMesh Guest/IoT Network Extend, and More △Enhanced EasyMesh Support with Extended Guest/IoT/MLO Networking and Advanced Features for BE550 V2 △New Firmware for Archer BE900 V2 to Support Multi-WAN, DoH/DoT, EasyMesh in AP Mode and More If you found the post or response helpful, click Helpful. If an answer solves your problem, click Recommended Solution so that others can benefit from it.
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Re:Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops
Tuesday

  @Joseph-TP thanks for all of those trouble shooting guides, i have tried all of that. But to be honest the router feels bit buggy, it desperately needs some good firmware updates.  Also one thing i have noticed that enabling qos on the router completely brokes it, games are becoming unplayable with ping issues, while disabling it solves the problem. Any information available about the next firmware update what problems it will be fixed?

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#3
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Re:Major Bugs on Archer GE400: MLO Disconnects & Wi-Fi Calling Drops
21 hours ago

Hi @Arnab9191 ,

Could you please provide screenshots of the speed and latency test results after enabling and disabling QoS?

Welcome to Our Community！ Check Out the Latest Posts: △New Firmware for Archer BE400 V1 to Support IPv6 VPN, Wake On LAN, and More △New Firmware for Archer BE800 V1 to Support VPN Merge, EasyMesh Guest/IoT Network Extend, and More △Enhanced EasyMesh Support with Extended Guest/IoT/MLO Networking and Advanced Features for BE550 V2 △New Firmware for Archer BE900 V2 to Support Multi-WAN, DoH/DoT, EasyMesh in AP Mode and More If you found the post or response helpful, click Helpful. If an answer solves your problem, click Recommended Solution so that others can benefit from it.
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