Sony X90somethingorotherletters? Looks like I have the same exact TV and, yes, they fell all the time. Until I got this stuff. It won’t fall again. In fact, be sure where you want it first. It’s removable but it’s an effort.
Gorilla Heavy Duty Double Sided... https://www.amazon.com/dp/B082TQ3KB5?ref=ppx_pop_mob_ap_share
I’ve used 3m double sided tape that held up. This looks stronger. Not sure how long it’ll last but not a big spend