Upgraded the firmware on PLA4231 and homeplug not working

Pave · February 2023

I have PLA4231 and PLA4201 v2. They were working just fine until I upgraded the firmware to the latest one on the PLA4231. Now the HomePlug LED is off on both devices which means that they are not detecting each other.

Where can I find the original firmware of the PLA4231?
Or it there another solution to this?

tonygibbs16 · February 2023

Hello @Pave

What firmware version are you running please?

There is some Zyxel PLA4231 firmware available at their Swiss distributor at https://www.studerus.ch/de/support/downloadcenter/?typefilter=software&kwfilter=PLA42&utm_source=NL1604_CH-F_tech&utm_medium=email&utm_campaign=NL1604_CH-F_tech_R_IMG-B_3-412_ZyXEL_PLA_Series_Software

Enter PLA4231 in the search box on the upper left hand corner.

See also this article about compatibility, https://support.zyxel.eu/hc/en-us/articles/360001743193-Which-powerline-adapters-are-compatible-with-each-other-

Kind regards,
Tony

Pave · February 2023

Now it has V1.00(AAGV.7)C0 (the latest) but I have also tried V1.00(AAGV.2)C0, V1.00(AAGV.4)C0, V1.00(AAGV.5)C0, and V1.00(AAGV.6)C0. None of them solved the problem. I believe the one it had originally was V1.00(AAGV.0)C0 which I am not able to find anywhere.

Is there some newer firmware for PLA4201 v2?
Is it possible that I need to upgrade that one as well so they can communicate with each other again?

Thanks for getting back!

tonygibbs16 · February 2023

Hello @pave

Here is what I have been able to find a software for PLA4201 so far

https://www.studerus.ch/de/support/downloadcenter/?typefilter=software&kwfilter=PLA42&utm_source=NL1604_CH-F_tech&utm_medium=email&utm_campaign=NL1604_CH-F_tech_R_IMG-B_3-412_ZyXEL_PLA_Series_Software

I don't know if there is newer software as I have not been able to find it.

I hope that this is helpful.

Kind regards Tony

Upgraded the firmware on PLA4231 and homeplug not working

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