Buyer & Seller Eye: Phone Test

Buying a used smartphone and worried about hidden hardware issues? Used Phone Tester & Buyer Guide is your ultimate diagnostic app designed to test all phone hardware, sensors, and components before buying or selling a device. Our app provides a comprehensive and step-by-step diagnostic test to scan your phone's health, paired with a smart buyer guide containing essential tips to avoid scams and verify original parts. Key Features & Hardware Tests Included: 1. Touch & Screen Diagnostics: • Multi-touch screen test to detect unresponsive screen areas. • Color screen tester to locate dead pixels and screen burn-in. 2. Audio & Speaker Cleaner: • Sound test for microphone, earpiece, and external speakers. • Advanced speaker cleaner tool using sound waves to eject water and dust. 3. Camera & Flash: • Check front and back camera focus and image quality. • Test the physical flashlight efficiency. 4. Original Charger & Battery Check: • Real-time charging rate calculator in Watts and mA. • Detect if your charger adapter and cable are original and support fast charging. 5. Comprehensive Sensor Tester: • Live validation for Proximity, Gyroscope, Accelerometer, Compass, Light sensor, and Step counter. 6. Security & Connection Tests: • Test biometric fingerprint and face recognition lock. • Verify Wi-Fi, Bluetooth, cellular network, and GPS connectivity. • Perform quick app security scans. 7. Smart Buyer Guide: • Essential checklist to inspect phones physically for gaps or replaced screens. • Step-by-step instructions on account removal and negotiating values safely. 8. Detailed Diagnostic Report: • Generate a clear diagnostic summary and overall health score to share between buyer and seller. Download Used Phone Tester & Buyer Guide today and trade smartphones with absolute confidence!