@RobsonT Same problem in my installation (five Deco M5, one M9plus, connected using ethernet), client. devices are taking too long to switch to closest Deco.

@TP-Link_Deco I went to Download Central, but the version there is still (Published Date: 2020-10-09). If you point me to the 1.5.1 version I can try again. Thanks. Cicero.

The string for America is missing after upgrading to Firmware 1.5.1. Cannot set time zone.

@Aash, thank you for sharing this link. I installed, everything is working fine, but I will wait a few days before promoting to main deco. Regards.

@RaymondvH Hi, I don't recomend you to do so, at least for the V.2 version of the M9Plus. Its lousy firmware is so outdated that you wil loose the web access, and will loose information about the...

@Major_Botelho I have The same issue with M5 and M9plus. To get Decos working I had to set one M5 as main deco. The M9 should not be release with such a lousy firmware.