Front camera, rear camera and flash test
Open each front and rear camera of a phone or laptop, see the real resolution, check focus, dust or haze in the lens and turn on the flash. Images never leave your device.
✓ Pass if
- Every camera shows a picture
- Focuses both near and far
- Clean image, no spots
✗ Fail if
- A camera shows nothing or a black screen
- Can't focus, blurry image
- Dust, haze or lines in the image
Next test: Laptop keyboard test ›
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
- Multi-touch test
- Speaker test: left, right, distortion
- Microphone test: record and play back
- 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