Hardware & Sensors
screen, camera, GPS & sensor tests
- How to test Android phone hardware: complete diagnostic guide (2026)Hardware diagnostic workflow
- Android sensor test guide: how to check, diagnose, and fix phone sensorsSensor testing and fixes
- How to test your phone screen for dead pixels and touch issuesScreen pixel and touch tests
- How to test phone speakers and microphoneSpeaker and microphone tests
- How to test your phone's charging portCharging port checks
- How to test your phone's vibration motorVibration motor tests
- How to test your phone camera qualityCamera quality checks
- How to check phone water damageWater damage inspection
- Documented Android diagnostic codes for Samsung, Pixel, and XiaomiDocumented Samsung, Pixel, and Xiaomi diagnostic paths with model and software limits.
- Android service codes by brand: documented paths that may still workBrand-specific service and diagnostic paths that may still work, with model and software limits.
- How to test your phone's fingerprint sensor on AndroidFingerprint sensor testing
- How to test NFC on AndroidNFC testing steps
- How to check your phone's IP ratingIP rating lookup
- What is a proximity sensor and why does it matter?Proximity sensor behavior
- What sensors does my phone have, and how do I check?Phone sensor inventory
Turn symptoms into a clearer picture of your phone's health.
runcheck connects battery, heat, signal, and storage patterns so you can see what is really dragging a phone down.