Hey Community,

We have received feedback from Community users that when using 1.3.1 Build 20251122 on the Deco X50 & Deco X55 Hardware Versions V1.30 & V1.33, NAT Loopback anomalies, such as the following, may occur:

• Inability to access a local server using the WAN IP/Domains + Port from within the LAN, although it works fine via the LAN IP.
   
• Accessing the server via the WAN IP/Domains from an external network works fine.
   

Previous feedback can be found in Community Threads 858376 and 858454.
 

Applies to:

Deco X50/X55 V1.30 & V1.32, Firmware Version 1.3.1 Build 20251122

Available Solution: 

Our R&D department has provided beta firmware to address this behavior. We encourage affected users to download and manually update to this beta firmware and to share feedback on their experience.
 

Note: 

• Pre-release and Beta firmware should be used at your own discretion. We cannot guarantee the functionality of features or technical support for Pre-Release or Beta Firmware. 
   
• If you are not comfortable using beta firmware, please wait for the official fix or contact our support teams for assistance
   
• This firmware can be reverted to the official version (1.3.1) directly via the Web UI.
   
• For detailed instructions on manually updating Deco firmware, visit: How to manually update the firmware via web UI.

As always, we value your feedback. If you happen to encounter any concerns during or after the firmware upgrade, please feel free to comment below with the following information. Your input helps us continue to improve and provide the best possible products and support.

• Provide a detailed network layout, including how the devices are connected.
   
• Include a detailed description of the behavior and as much information as possible regarding the specific conditions that seem to trigger it.

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