> It probably doesn't require a network connection for basic checking, as the signed key can be cryptographically checked even when offline as long as Google pr

> It probably doesn't require a network connection for basic checking, as the signed key can be cryptographically checked even when offline as long as Google preloads their public keys to the phones But of course it does nonetheless: https://developer.android.com/reference/android/content/pm/PackageInstaller#DEVELOPER_VERIFICATION_FAILED_REASON_NETWORK_UNAVAILABLE https://developer.android.com/reference/android/content/pm/P...