Flash Sonoff RF bridge(V1) to tasmota | Portisch

connect flasher to rf bridge 

or follow this video

set switch to off  , Download tasmotiezer and flash tasmota.bin file

now remove flasher , connect to wifi and set device as sonoff bridge in config

connect 2 jumper wires

now flash Portisch (mirror) firmware (.hex file)

remove jumper wires . turn switch on

enter rfraw 177 in console mode to grab codes

more rf commands 

for more info