Deco M4_V1/V2_1.8.0 User Feedback
Deco M4_V1/V2_1.8.0 User Feedback

This Article applies to
Deco M4_V1/V2
Firmware Modifications:
- Enhanced System Security
- Improved Client management experience on the Deco APP.
- Fixed the issue that the IPv6 communication between client devices might fail when the assigned type was set to DHCPv6.
- Fixed the issue that the real-time speed rate was "--/--" in the Deco APP.
Note: This version upgrade is irreversible, and you cannot downgrade to the previous firmware after the upgrade.
Firmware Version:
Deco M4_V1/V2 | 1.8.0 Build 20250721 Rel. 49216 |
As the previous post about version 1.7.0 was too long to navigate for information on the newly released 1.8.0 version, I have created this new post. Kindly share your feedback on how the new 1.8.0 works. Your input will greatly benefit other users.
Thank you very much.
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Hi, thank you very much for the feedback.
Did all connected devices fail to get IPV6 addresses or just some of them? Can I have their model numbers?
May I know your internet service provider? Which "Assign Type" did you set, DHCPv6?
If you would like to further cooperate with us, you can update to the 1.8.0 version again and save a copy of the web UI system log to support.forum@tp-link.com
Subject[Forum Escalation][ID 838518] IPV6 Issue on Deco M4 1.8.0, I can forward it to the senior engineer for further analysis.
Thanks a lot.
Best regards.
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@David-TP Please fix Connection Preference issue when i forced my clients to connect to that specific Deco but the clients could'nt shift on that Deco or after system reboot or when power supply came back so that client connect on other Deco not on that specific Deco that i choose.
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Hi, thanks for the feedback.
The future official versions would roll out based on 1.8.0, and staying on 1.6.4 might not be a permanent solution. If possible, I still wish you could update to 1.8.0 again, and our senior engineer would love to provide further assistance.
Best regards.
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@David-TP When will it be available on US website?
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