> Your old one is probably good enough. Some of us use the same phone for years, until it loses OS/security updates. My current phone is 6 years old. By the ti

> Your old one is probably good enough. Some of us use the same phone for years, until it loses OS/security updates. My current phone is 6 years old. By the time I upgrade, my current phone will not be able to run current authenticator or bank apps, which will target an iOS version above the last one supported by my phone. So no, my old one is not "good enough" unless I upgrade more often than I'm comfortable with.