Identifiers stability
✅ – remains the same
🟡 – usually* remains the same
❌ – changes
| Event | Android ID | Media DRM ID | GSF ID | Hardware Fingerprint | OS Fingerprint | Installed apps fingerprint | Device state fingerprint |
|---|---|---|---|---|---|---|---|
| Remove all Google accounts from the device | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Login back with the first Google account | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Factory reset | ❌ | 🟡 | ❌ | ✅ | ❌ | ❌ | ❌ |
| Repackaging the application | ❌ | ❌ | ✅ | ✅ | ✅ | ❌ | ✅ |
| System update | ✅ | ✅ | ✅ | 🟡 | ❌ | ❌ | ❌ |
| Different 'User' on the same device | ❌ | ✅ | ❌ | ✅ | ✅ | ✅ | ❌ |
| Instant App compared to a regular app | ✅ | ✅ | ❌ (not available) | ❌ | ❌ | ❌ (not available) | ❌ |
* With an exception for some device manufacturers (e.g. Vivo or Samsung)