Spotlight Camera battery, no live view

Same issue with my Spotlight Cam battery, live view just stopped working out of the blue, having been pretty solid or a couple of years and I can't figure out why... battery levels are good signal is strong at the camera etc. I've reset my router, IP address has been reserved/unreserved no difference, reset the camera, re-setup WiFi the works - nothing fixed it (all my other Ring cameras work fine (POE stickup and doorbell 2 to chime pro) motion detection still works without issue though, just live view that isn't...Rapid Ring makes no difference, nor does turning off advance motion detection. Same behaviour displayed on my Galaxy S9 as on my wife's iPhone.My spotlight is connected to and Orbi Rbk50 router with an rssi of circa 54 or 'good' - camera gets about 20mb down and 8mb up at the location.No idea what's going on, but suspect it's to do with a firmware update on the camera...