Understand your phone.
Discover what it can do.
HNK Guardian X shows your device's RAM and internal storage, battery temperature, Android details and diagnostic tools. Hardware tests run only when you request them.
Pre-release • not yet publicly available on Google PlayDownload HNK Guardian X 0.3.1 (Android beta)
Direct signed APK for Android 8.0 and later. This is an independent distribution channel, not a public Google Play release. Install only if you trust HNK Technologies.
Android may ask you to allow installation from this source. Do not disable Play Protect. SHA-256: 8B3103EE187E27BBA3AC82E74B44A74E895B41CC113199530C0F592CA4E9B0F5
Important: the Google Play version may use a different app signing certificate. Changing distribution channels can require uninstalling the previous version and may erase locally stored diagnostic history and notes.
Current features
- Local device RAM, storage and battery readings
- Device DNA — model, Android version and system details
- Optional sound, screen color and vibration checks
- Reference library of Samsung diagnostic codes with compatibility warnings
- Local history and personal test notes
Guardian does not unlock undocumented hardware limits, does not dial service codes and does not promise faster performance.
Privacy by design
No account, ads, analytics or Internet permission. This version processes diagnostic measurements locally on your Android phone.