You've got it. Your a chief. I have deleted all references of empty files in my config file. And it works perfectly.... Youhou.!!!!!!!!!!!!!!!! Many thanks to all..... And now, automation.. Yeah!!!

Maybe its broke.... The China stuff is not everytime the same quality :D Do you have another one?

Hey, Bootloader in pro-mini. I have to flash with a new sketch, connect nrf and test OTA. Thank you

You can send the information whenever you want. In the provided examples it is placed in the setup() method which only runs once at startup. But nothing stops you from sending the information later (for example after a incoming request message of your choice arrives).