Fastsound vs ServiceTests

Fastsound is applied to connect the hearing aid to the smart phone, and customize the hearing aid via phone. listening mode change, volume adjustment, noise reduction, etc.

ServiceTests is a complete hardware diagnostic tool that helps you quickly and accurately check the condition of every component on an iOS device. Perfect for repair shops, resellers, quality control (QC) teams, and anyone inspecting a device before buying or selling. Run a full diagnostic in minutes and get a clear PASS/FAIL result for each test — no guesswork, no ads. TESTS INCLUDED: • Display (LCD) — detect dead pixels, lines, and color issues • Touchscreen — check responsiveness and dead zones • Brightness / dimming • Camera — front and rear • Flash / torch • Loudspeaker • Earpiece • Microphone — record and play back • Vibration • NFC — tag reading • Bluetooth — scan and connect • Motion sensors — accelerometer and gyroscope • Location / GPS — signal and positioning • Wireless charging DEVICE INFO: • View detailed hardware specifications and battery status WHY SERVICETESTS: • Clean, fast, and intuitive interface • Clear pass/fail result for every test • Full diagnostic in just a few minutes • No ads — built to do one job well PRIVACY: Each test requests only the permission it needs (camera, microphone, Bluetooth, motion, location, NFC) solely to perform the hardware check. Your data stays on your device.