WiFi and network speed test
Measure ping and download speed over several rounds, with average, lowest and highest, to check the WiFi or mobile data of a used phone or laptop.
✓ Pass if
- Speed is similar to another device on the same WiFi, in the same spot
✗ Fail if
- Several times slower than another device on the same WiFi
- Frequently drops the connection
Next test: GPS and location 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
- 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
- GPS and location test
- Manual used-device checklist