Multi-touch test
Put several fingers on the screen to see how many touch points a phone or tablet registers at once, and whether the dots follow your fingers.
✓ Pass if
- Registers at least 5 fingers at once
- Dots follow your fingers
✗ Fail if
- Fewer than 5 fingers registered
- Dots jump around or disappear
Next test: Speaker test: left, right, distortion ›
Other tests
- Check device specs
- Dead pixel, backlight bleed and burn-in test
- Screen refresh rate test (Hz)
- Touch screen test: dead zones and ghost touches
- Speaker test: left, right, distortion
- Microphone test: record and play back
- Front camera, rear camera and flash test
- Laptop keyboard test
- Touchpad and mouse test
- Sensor and vibration test
- Fingerprint and Face ID test
- Battery and charging port test
- CPU test: performance and overheating
- WiFi and network speed test
- GPS and location test
- Manual used-device checklist