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 sensors Sensor testing and fixes
- How to test your phone screen for dead pixels and touch issues Screen pixel and touch tests
- How to test phone speakers and microphone Speaker and microphone tests
- How to test your phone's charging port Charging port checks
- How to test your phone's vibration motor Vibration motor tests
- How to test your phone camera quality Camera quality checks
- How to check phone water damage Water damage inspection
- Android diagnostic codes: complete list by manufacturer Manufacturer diagnostic code list
- Android service codes by brand: what still works Hidden hardware test codes
- How to test your phone's fingerprint sensor on Android Fingerprint sensor testing
- How to test NFC on Android NFC testing steps
- How to check your phone's IP rating IP 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
runcheck
Turn symptoms into a clearer phone-health picture.
runcheck connects battery, heat, signal, and storage patterns so you can see what is really dragging a phone down.