m9 plus satellite slow after update
I have a home setup with three M9 Pluses.
The satellite in my office always had great speed.
Now after an update it’s very slow.
I am not sure if this is the issue but i see there os a slight difference in the number of the upgrade for my main, and for my satellite.
Main: 1.6.4 Version 20240718 Rel. 76925
Satellite: 1.6.4 Version 20240719 Version 40539
Is this the possible reason for the poor connection ?
The issue is I find no way currently to ensure they both have the same version. There is no option to update on either.
Please help!
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Hi, 1.6.4 Version 20240718 Rel. 76925 is the latest version for Deco M9 Plus_V2.0/2.2/2.6.
1.6.4 Version 20240719 Version 40539 is the latest for V1.0/V1.6.
So both your Deco M9 Plus have the latest firmware version.
the satellite units work the same in the Mesh system. If swapping the location of the two satellites M9 plus, would the slow speed always follow the "Office" satellite Deco?
-By the way, how about your network topology? Did both satellites M9 Plus connect directly to the main Deco via Wi-Fi Backhaul?
Thank you very much and best regards.
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Were your M9's purchased together? If so they should all be the same hardware version.
But your satellite is running firmware made for V1 M9 Plus while your Main is running firmware for V2+.
You can update firmware manually at tplinkdeco.net and by downloading from here (select the right hardware version first) https://www.tp-link.com/uk/support/download/deco-m9-plus/v1/#Firmware
If firmware changes don't work maybe just try removing it from your network and adding it in again. I'm no expert but a lot of posts seem to go without help on this forum so hope this gets you somewhere
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they were purchased together.
Thanks for this. Am I better making them all equal the same firmware for v2+ ?
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@ObiWanKenobi90 It depends on what version your M9 Plus are. It should say it at the bottom of the unit if you're not sure. You need the right firmware for your device and hopefully that will fix it 
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Hi, 1.6.4 Version 20240718 Rel. 76925 is the latest version for Deco M9 Plus_V2.0/2.2/2.6.
1.6.4 Version 20240719 Version 40539 is the latest for V1.0/V1.6.
So both your Deco M9 Plus have the latest firmware version.
the satellite units work the same in the Mesh system. If swapping the location of the two satellites M9 plus, would the slow speed always follow the "Office" satellite Deco?
-By the way, how about your network topology? Did both satellites M9 Plus connect directly to the main Deco via Wi-Fi Backhaul?
Thank you very much and best regards.
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- Report Inappropriate Content
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