أهم خطوة قبل شراء أي هاتف مستعمل

Testio - test phone health and CPU benchmark. Check cell signal strength, wifi speed analyzer. Testio app analyzer: ◦ Multi-touch ◦ 3D-touch ◦ LCD ◦ Glass ◦ Face ID/Touch ID ◦ Power Button ◦ Volume Down ◦ Volume Up ◦ Mute Switch ◦ Voice Call ◦ Front Camera ◦ Rear Camera ◦ Telephoto Camera ◦ TrueDepth Camera ◦ Earpiece- Mic ◦ Bottom Microphone ◦ Front Microphone ◦ Rear Microphone ◦ Speaker - Mic ◦ Speaker ◦ Motion sensor ◦ Accelerometer ◦ Compas ◦ Proximity sensor ◦ Vibration ◦ Flash ◦ Charge ◦ Wi-Fi ◦ Data Call ◦ Bluetooth ◦ GPS ◦ Barometer ◦ Light sensor ◦ Wireless Charge ◦ NFC Tag Reade...