@David-TP We have identified the cause. The processor was unable to handle the load due to insufficient power supply. A very faint squeak could be heard inside (most likely from a capacitor or choke...

@David-TP And if I have 1.2? I see that the latest version is 1.4.5, as if the same problem was not fixed for 1.2, although I am fixing similar errors when working with wifi on smartphones.

@David-TP And how do I get such a firmware version for users of a mesh system from Russia? Or perhaps there are general recommendations for solving the problem at the settings level?