I had Samsung s9+ in 2018 and I did have monthly security upgrades up until 2022 when I had it. Their promise was 5 years of security upgrades. I also had the

I had Samsung s9+ in 2018 and I did have monthly security upgrades up until 2022 when I had it. Their promise was 5 years of security upgrades. I also had the latest Android version. iirc they promised 3 years of OS upgrades