Wifi extender for Ring peep hole cam

Hi folks, I live in a upper flat (first floor) and purchased peep hole cam, echo show 5 and ring chime. (Sick of having to walk up and down flight of stairs to answer front door) Set up everything fine, however, it states on the ring app under my device that WiFi connection is poor. I can’t move my router and obviously can’t move my front door lol I’ve looked for a ring wifi extender and can only find a extender for ring security system or the chime pro with wifi extender, tho I won’t hear the chime as it needs to go in the plug socket downstairs passage to assist with wifi connection for peephole cam .
Anyone alas had wifi connection issues living in an upper flat and front door being away from your router?! … I’m not that techie but any suggestions would be appreciated. Thank You