1) Format SD card in device RR585
2) Copy file “firmware.bin” to SD card
3) Insert SD card to device
4) Turn on device
5) After logo you see POP up window “Update FW”
6) Select check box to update FW and press confirm button 
7) You will see updating stages from “1 of 6” to “5 of 6”
8) NOTE: If device was holding on step “5 of 6” need eject SD card from device and press button reset and repeat steps 4-8 again
9) Remove SD card and Check device => it powered on and work any button, without any trouble
