Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!

Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!

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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
Monday

  @alexconte 

 

Try to get the devices you are having issues with to connect and then do the following below. 

 

First please access the Deco web UI by entering "tplinkdeco.net" in your browser. Navigate to Advanced > System > System Log, select "ALL" in the log type, and save the file to your local computer. Then follow the steps below making sure to attach the logs to the email.

 

I recommend sending an email to forumsupport.usa@tp-link.com with the following information:

 

Subject: [Forum Escalation][ID 856690Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!

Forum Nickname: [User Provided]

Thread URL: https://community.tp-link.com/us/home/forum/topic/856690?moduleId=2424

Model&Version: [User Provided]

Description: [User Provided]

Any Other Relevant Information (Logs, Config Files, Images, etc.): [User Provided]

 

In the template above please fill in the areas that say [User Provided].  This will open a case with our engineering team, and they will work with you via email. 

Need help with the Deco app, setup, Ethernet backhaul, network switch or rolling back firmware? Router or AP mode? https://community.tp-link.com/us/home/forum/topic/699816?page=1
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#23
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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
16 hours ago - last edited 12 hours ago

  @Gio235 

Hi, thank you very much for your feedback.

For the speed issue on the Samsung devices(<0mbps), it is recommended to test the new beta firmware here:

https://community.tp-link.com/en/home/forum/topic/856648

Wait for your reply.

Best regards.

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#24
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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
16 hours ago - last edited 12 hours ago

  @alexconte 

Hi, can I have the model numbers of the mobile devices that can't authenticate when connecting to Deco WiFi?

For the laptops with Intel AC 8265, it connects and ping gets through, but no internet, which I think might be similar to the "close to 0 Mbps bandwidth" issue on the Samsung devices when connecting to Deco.

If possible, it is also recommended to test the new beta firmware here:https://community.tp-link.com/en/home/forum/topic/856648

 

Wait for your reply.

Best regards.

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#25
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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
3 hours ago

@HelpFixDecoApp, @WYLDSTALLYNS, @Gio235, @Travis82, @shakeador, @alexconte

 

A new beta build is now available for download via the updated links in the original post. Please let us know whether this updated build addresses the reported behaviors.

 

Release Notes for the latest build include:
 

  • Added Wi-Fi Network Mode function to enhance the overall performance of the 2.4 GHz band.
     
  • Fixed the issue where Samsung devices could connect to the Deco Wi-Fi but had near-zero network speeds.

 

Thank you all again for your continued testing and feedback!

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#26
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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
3 hours ago - last edited 7 minutes ago

  @Ryan 

Hi
Just tried to update with the new release but I get "Upgrade failed. Please select the latest version of firmware to upgrade."
I'm now trying to upgrade from ver. 1.3.1 Build 20251023 Rel. 43624.
All the best,
A. 
 

Edit: double checked. Installing ver. XE75Pro_XE70Pro-SP1-up-ver1-4-999-P1[20260319-rel38541]_2026-03-19_10.43.56.bin from ver. 1.3.1 Build 20251023 Rel. 4362 returns me that error.

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#27
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Re:Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro V2/V3 Adds Wi-Fi Access Control, WireGuard VPN & More!
47 minutes ago - last edited 31 minutes ago

  @Ryan 

I'm also getting an error message when trying to upload/install the firmware: "Upgrade failed. Please select the latest version of firmware to upgrade."

 

Edit: NVM. I accidentally was trying to upgrade to an older firmware. Currently updating to the newer firmware. 👍

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#28
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