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OnePlus has announced that its future flagships will get 4 major OxygenOS updates and 5 years of security updates.
Oppo has also announced that its future flagships will get 4 major ColorOS updates and 5 years of security updates.
Samsung is still ahead of OnePlus and Oppo as the former OEM joined one year older flagship lineup in the new policy, while the latter is making announcements for products that will launch next year.
Also Samsung should revise it's policy and provide 5 major One UI OS upgrades and 6 years of security updates to flagship Galaxy phones.
