No command screen

[AC Question]

I have a kata f1s and after updating the wireless update it shuts down and when i turned it on its stucked pn a screen that says no command ive tried to restore factory data and rebooting but it keeps shuttingndown and when i turn it on it only goes again on the no command screen hope you can help me thanks

 

[belodion]

Make sure an SD card is not causing trouble. If it isn't, try reflashing the stock firmware, preferably the official version on the manufacturer's site.