How Android Storage Permissions Actually Work (And Why Apps Keep Asking)
How Android Storage Permissions Actually Work (And Why Apps Keep Asking)
If you've ever installed an app and been asked to grant it access to "Photos and videos" or "Files and media," you've probably just tapped Allow without thinking much about it. Here's what that permission actually controls, and why Android has gotten stricter about it in recent years.
The old way: broad storage access
On older versions of Android (up through Android 10), apps could request one broad permission — READ_EXTERNAL_STORAGE — that gave them visibility into essentially your entire shared storage: every photo, video, document, and download on the device, regardless of which app created it.
The new way: scoped storage
Starting with Android 11, Google introduced scoped storage, which changed this significantly. Now, apps generally only get automatic access to files they created themselves. If an app wants to see photos or videos it didn't create — like your camera roll — it has to explicitly request permission for that media type, and you approve or deny it individually.
This is why on a modern Android phone you might see separate prompts for:
Photos and videos — access to your visual media
Music and audio — access to audio files
Files and documents — broader access to other file types
Rather than one blanket "storage" permission covering everything.
What "All files access" means (and why it's a bigger deal)
Some apps — particularly file managers, backup tools, and storage-cleaning apps — ask for a special permission called All files access (MANAGE_EXTERNAL_STORAGE). This is the modern equivalent of the old broad access, and Google requires apps to justify why they need it before it's granted, because it does give visibility into essentially everything on your device's shared storage.
If an app's core purpose is to genuinely need full-device visibility — like scanning your entire phone for duplicate files across every folder, not just your camera roll — that's a legitimate use case for this permission. If a simple photo-editing app asks for it, that's worth questioning.
How to check what you've already granted
Go to Settings → Apps → [app name] → Permissions, or for a full picture across every app, Settings → Privacy → Permission Manager → Files and media. This shows you every app with some level of storage access, which is worth reviewing occasionally — especially for apps you installed once and rarely open.
The practical takeaway
Permission prompts exist so you're not granting blanket access by default anymore. It's worth reading what's actually being requested rather than tapping through, particularly for apps whose core function doesn't obviously require seeing your whole file system.
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