How to Configure Private Space for Secure App Isolation in Android 15

Sharing your smartphone with family members, friends, or colleagues to display vacation photos, demonstrate a navigation route, or make an emergency call frequently exposes private banking applications, confidential medical records, enterprise messaging channels, and sensitive photo albums. In Android 15, Google introduced Private Space—a hardware-backed OS sandbox that creates a completely isolated user profile within your device. Apps installed inside Private Space operate in a sandboxed storage compartment, suppress background notifications when locked, and can even be hidden entirely from the app drawer.

Architectural Underpinnings of Private Space

Private Space leverages Android’s multi-user framework and hardware-backed credential storage (TEE / StrongBox) to deliver robust isolation:

• Separate Linux UID / Storage Sandbox: Apps in Private Space run under a dedicated Android user profile, meaning their app data, caches, and databases are strictly segregated from the main user profile.
• Independent Google Account: You can sign into Private Space using a secondary Google Account to prevent browsing history, search recommendations, and Google Photos backups from syncing with your primary personal identity.
• Unified Notification Suppression: When Private Space is locked, background services are paused, preventing notifications, badges, and push message previews from appearing on your lock screen or notification shade.

Setting Up Private Space in Android 15

To configure your isolated sandbox on supported devices running Android 15 (such as Google Pixel 6 and newer):

1. Open the Settings app on your Android device.
2. Scroll down and select Security & privacy.
3. Under the Privacy category, tap Private Space.
4. Tap Set up. Android displays a security overview detailing profile isolation and notification behaviors.
5. Authenticate using your current device lock screen PIN, pattern, or fingerprint.
6. Choose your authentication method for Private Space:
   • Use current screen lock: Convenient, but shares your existing phone PIN.
   • Choose new lock (Recommended): Configure a distinct, dedicated PIN or pattern exclusive to Private Space so someone who knows your main phone passcode still cannot access your isolated apps.
7. Optionally link a secondary dedicated Google Account to keep app store downloads and cloud sync completely detached.

Installing and Moving Apps into Private Space

Once Private Space is initialized:

1. Open your app drawer and scroll down to the bottom to find the Private container container pill.
2. Tap the lock icon and authenticate to unlock the container.
3. Inside the unlocked Private Space container, tap Install apps.
4. Select apps already present on your main profile to clone them into Private Space, or launch the dedicated Google Play Store inside Private Space to download fresh copies of confidential banking, trading, or messaging apps.
5. If you cloned an app from your main profile, uninstall the public copy from your main launcher to ensure it exists solely within the private enclave.

Hiding Private Space from the App Drawer

To ensure maximum plausible deniability so unauthorized observers cannot even tell that Private Space exists on your phone:

1. Within Settings > Security & privacy > Private Space, tap Hide Private Space when locked.
2. Turn the toggle on. When Private Space locks, its icon and container disappear entirely from your app drawer.
3. To access Private Space while hidden, tap the search bar at the top of your app drawer, type Private Space (or your custom search phrase), and tap the matching result to prompt authentication.
4. Configure auto-lock parameters: set Private Space to lock immediately every time your device screen turns off or after 5 minutes of inactivity.