Smartphone & tablet diagnostics
Check your device in five minutes, right in the browser
Display and touch, CPU and graphics, speakers, vibration, motion sensors and battery. Useful before buying a used phone or after a repair.
Core tests
- Display: dead pixels, bleed, gradients, refresh rate
- Touchscreen: multi-touch, dead zones, touch accuracy
- Processor: single-core and multi-core speed
- Graphics: WebGL rendering, frame rate under load
- Vibration: vibration motor, patterns and duration
- Speakers: left/right channel, frequency range, rattle
- Gyroscope & accelerometer: 3D model, level, compass, sensor charts
- Battery: charge level, charging, drain rate
Extra tests
- Microphone: signal level, recording and playback
- Camera: front and rear, focus, flash, zoom
- GPS: time to fix, positioning accuracy
- NFC: reading tags and cards
- About device: model, OS, memory, network, capabilities
Tests run locally in your browser. Photos, recordings, coordinates and results never leave the device.