While the android update-situation is a real issue, not having the latest version of android installed on your phone does not make it obsolete. There’s almost

While the android update-situation is a real issue, not having the latest version of android installed on your phone does not make it obsolete. There’s almost no software that actually depends on you having the latest version. Bad battery life or flash storage used to beyond it’s reasonable lifetime is a much bigger problem, a problem that can be solved by replacement parts, or even better: user replaceable batteries or SD-cards.