I've dealt with this my whole life, I'm just on my second smarthpone ever since I try ro use it for as long as possible. I know not having security updates is b

I've dealt with this my whole life, I'm just on my second smarthpone ever since I try ro use it for as long as possible. I know not having security updates is bad on paper but what is the real risk? I guess I can study what vulns each update patches but I can't imagine it's stuff I have to worry about when I'm just making basic use of it, not sideloading app or rooting my phone or anything.