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My Deco M9 Plus is unstable, since 1.7.1 upgrade

My Deco M9 Plus is unstable, since 1.7.1 upgrade

My Deco M9 Plus is unstable, since 1.7.1 upgrade
My Deco M9 Plus is unstable, since 1.7.1 upgrade
2025-09-30 12:44:10 - last edited 2025-10-09 06:13:03
Tags: #Network Connectivity #Firmware Update
Model: Deco M9 Plus  
Hardware Version: V1
Firmware Version: 1.7.1

Hi everyone!

Since upgrading to firmware 1.7.1, my Deco M9 Plus has become unstable.
I run a ping test every minute, and I’m seeing noticeable instability compared to before the update. crying

Sometimes the LED turns Red, then back to Green after a couple of minutes (or longer). Other times, the LED stays Green, but there’s still no Internet access.

 

 

Has anyone else experienced this issue or found a workaround?

 

Best regards,

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#1
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1 Accepted Solution
Re:My Deco M9 Plus is unstable, since 1.7.1 upgrade-Solution
2025-10-04 02:14:18 - last edited 2025-10-09 06:13:03

  @jb_deco 

Hi, have you done a factory reset after the firmware upgrade?

Did you set Deco into "Access Point" or "Wireless Router“ mode?

If it is in Router mode, when checking the Network Security records, would there be any suspicious blocking history?

Wait for your reply.

Best regards.

 

 

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco BE85 1.2.0 Enhanced Mesh Backhaul Stability and Device Roaming Experience ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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#3
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2 Reply
Re:My Deco M9 Plus is unstable, since 1.7.1 upgrade
2025-10-01 11:07:24

  @jb_deco thank for sharing. I was just about to upgrade to this version. I think I'll skip it for now. 

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#2
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Re:My Deco M9 Plus is unstable, since 1.7.1 upgrade-Solution
2025-10-04 02:14:18 - last edited 2025-10-09 06:13:03

  @jb_deco 

Hi, have you done a factory reset after the firmware upgrade?

Did you set Deco into "Access Point" or "Wireless Router“ mode?

If it is in Router mode, when checking the Network Security records, would there be any suspicious blocking history?

Wait for your reply.

Best regards.

 

 

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco BE85 1.2.0 Enhanced Mesh Backhaul Stability and Device Roaming Experience ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
Recommended Solution
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#3
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