Last Updated: February 20, 2019
Google’s Android operating system powers many popular cellphones including the popular Samsung Galaxy S9. Most Android Smartphone users as well as most of the pubic at large do not think very much about security.
If your phone is not running the latest Android Monthly security patches or is Android 6 or older, you are open to attack. A recent Wall Street Journal article showed that only 2.8% of Android devices have the latest security patches. Compare that to 79% of iPhones, due to Apple’s more uniform eco-system.
As of February 2019 only Android 7 to 9 receive security updates now)
Most Up to Date Android Smartphones
This flagship phone runs the latest Android version and is patched regularly. Sold directly from Google or from a couple wireless carriers.
You can check this Google Support page that shows when updates will be available for Google devices and when devices stop getting updates.