|36||36||Then, an Android app has an internal storage and an external storage, but both of those are actually allocated in "internal" storage space. And both will get deleted (wiped) when uninstalling the app. App external storage differs from App internal storage only in that external storage can be accessed from other apps, but internal cannot. Both of these storages are guaranteed to exist -- they don't depend on external physical storage, and the app has access to these spaces always without requiring permissions to read/write. These are the ONLY spaces a modern Android OS app is allowed to write without asking for explicit permissions.