am using esp and openhab with mosquitto. it is working fine... Setup Esp GPIO pin 12 is connected to relay My ESPeasy Config ---------------------- Name = sonoff Controller = OpenHabMQTT IP=192.168.0.8 My OpenHab Setup ---------------------- default.items ----------------- Switch LED3W "Ceiling...

I think issues are not with firmware, its because of flash tool.
while flashing we have to erase the total memory including user data in esp before downloading latest firmware.
but, none of the flash tools are doing this.