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Official Release Deco M4/S4_V2 Support Connection Preference
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2024-01-17 08:24:42 - last edited 2026-01-05 07:55:05
Posts: 18232
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Deco M4/S4_V2 Support Connection Preference
2024-01-17 08:24:42 - last edited 2026-01-05 07:55:05
This Article applies to
Deco M4_V1/V2
Deco S4_V1/V2_
Download Link:
| Deco M4_V2 | Please make sure the firmware is up-to-date. |
| Deco S4_V2 | 1.7.0_build_20250926_Beta (updated 2025.9.26) |
- Please be sure you have read the Terms and Conditions for TP-Link Beta Firmware before proceeding.
- For Deco S4_V2, it would revert to the official 1.5.1 directly via web UI.
- How to update the firmware via web UI.
Firmware Modifications:
| Deco M4_V2_1.7.0 |
|
| Deco S4_V2_1.5.1 |
|
Please feel free to comment below if you have any issues with these two firmware versions!
Related Articles:
Connection Preference: Customize Your Preferred Signal Source
Understand the Differences Among Deco Firmware Platforms
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-24 20:36:35
i dont know. Sometimes my internet supplier may do some optimizations or the server in speedtest was overload. i cant tell for sure.
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-24 20:56:25
@Ivan_Mitov So sad for M4
Sayeem Ahmed
from Bangladesh
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-24 21:08:11
@Ivan_Mitov Sometime showing this problem. 
File:
Sayeem Ahmed
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-24 21:23:07
i got this 1 time after the update. It resolved by itself. This decos takes decades to reboot and establish connection compared to traditional router not mesh. maybe thats the reason.
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-24 22:44:38
@SayeemAhmed TP-LINK does'nt care about Deco M4 😭😭😭
Please & Thank You !! ❤️
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-25 04:04:27 - last edited 2025-01-25 04:11:54
@SayeemAhmed Ours is Dot Internet....their ONU has Gigabit Ethernet port btw
Also, try this: Abnormal WAN Port Speed. Please Check Your WAN Port Connection (Case 1)
Just a M4 (2-pack) user who regrets buying it
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-25 04:06:18
@Ivan_Mitov Looks like it's only for Bulgaria at this moment, not seeing this firmware on US or Global (EU) site
Just a M4 (2-pack) user who regrets buying it
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-25 16:42:19
@ImtiazAli I don't know. My country has really good IT specialist, engineers but doubt that is the reason.
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-25 18:52:59
@ImtiazAli Also not available on Bulgaria Tplink Website.
Please & Thank You !! ❤️
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Re:Deco M4/S4_V2 Support Connection Preference
2025-01-25 23:47:07 - last edited 2025-01-25 23:49:05
@ARGamingPK1 Yes its not available in Bulgarian TP-link firmware page. Which is strange and even the chatgpt doesnt know that this version exist. But there is a thread in reddit about it. Deco M4R new firmware 1.6.5 build 20241231 rel 41802
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2024-01-17 08:24:42 - last edited 2026-01-05 07:55:05
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