Sonoff Mini R4 frequently going offline after firmware update 1.2.0

Hello,

I have a Sonoff Mini R4 named “Luce Cucina” that has started going offline very frequently in the past few days. This issue seems to have begun after updating the firmware to version 1.2.0.

I am certain that this is not a Wi-Fi issue, as the device is located just a few centimeters away from the router. Moreover, it had never experienced this problem before the firmware update. Additionally, I have several other Mini R4 devices in my home, all running on the same network, and they are working perfectly without any issues.

Has anyone else encountered this issue? Is there a known solution or workaround?

Thank you in advance for your support.