i read somewhere in the INet should used the DOUT mode for programming. i do this with the ESP Flash Download Tool V2.3 and now one Sonoff is working !!!! later i will check the other sonoff's Edit: other modules now also working after flshing in DOUT mode. it's crazy the radio Button SPI Mode jumps...

Hello Forum i have the same problem. i flashing 3 Sonoff Wifi Basic with 2.0 dev11 Bin File and after the Sonoff ESP doing nothing. what i do: - flashing with ESPTool ESPEasy_v2.0.0-dev11_normal_1024.bin --> Flash OK, but after Restart no AP is open - flashing with ESPTool ESPEasy_v2.0.0-dev9_normal...