While the latest updates for Google Authenticator often bring modern features like Material You redesigns and cloud synchronization, they don't always work for everyone. Whether you're dealing with an older device that is no longer supported or you prefer the simpler, offline-only security of previous builds, downloading an old version of Google Authenticator is a common fix. Why Users Look for Older Google Authenticator Versions
There are several valid reasons to roll back to a previous build: