2 points
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That is a difficult topic. Google did take steps to mitigate issues there. Android got Hardware Abstraction Layer to prevent blobs from blocking updates ; also, a lot of updates were moved from AOSP to the Play Service, so Google can more easily roll them out. (And to make AOSP and 3rd party roms less of a threat, eh.)
Edit : that said, most android phones have woefully short support period.
2 points
It is a difficult topic, but one worth discussing I think. Cellphone security used to be an afterthought, at best. Google (and some rom maintainers) have done an amazing job at improving overall security. They have a long way still to go (such as forcing manufacturers to a certain level support), but what they’ve done thus far is commendable.
