The Galaxy A12 was released in 2020, it had 4 years of updates, Galaxy A15 released in 2023, had 5 years of updates, Galaxy A16 released in late 2024 (for the US, it was early 2025), now has 6 years of updates. S-Series phones (most of those cost $550 and above) have 7 years of updates)

It's just security updates tho, new features are not guaranteed for budget phones (like no "AI" features for A-series phones, but then again, its just more marketing gimmics anyways, who really uses those?), but its secure enough for banking.