iMac i5 3.1GHz 21,5 Retina (1TB HDD) (Late 2015)

The inspection of an iPhone by our Service department requires a thorough check of every function of the device, from hardware to software. Below are 70 critical inspection points that must be completed before the device reaches your hands.

General Authenticity and Condition Check

1. Authenticity confirmation via Serial Number on Apple’s website.
2. IMEI check for blacklist status.
3. Verification that the device is not stolen and has no active Activation Lock (iCloud Lock).
4. Apple warranty availability check.
5. Software integrity verification.
6. Visual inspection for scratches, dents, or cracks on the device body.
7. Functionality test of all physical buttons (power, volume, mute switch).
8. Factory reset test to check for potential software issues.

Display & Touchscreen Check

1. Touch responsiveness test across the entire screen surface.
2. Check for dead pixels or unresponsive screen areas.
3. Brightness adjustment and performance at various levels.
4. True Tone & Night Shift functionality check.
5. Auto-brightness test via sensor.
6. Screen flickering and color distortion check.
7. 3D Touch or Haptic Touch functionality test (if supported).

Battery & Performance Check

1. Battery health check via Settings > Battery.
2. Charging cycles verification via diagnostic tools.
3. Wired charging test.
4. Wireless charging test (Qi/MagSafe).
5. Battery drain rate monitoring.

Connectivity Check

1. Wi-Fi connection test.
2. Wi-Fi speed test.
3. Bluetooth pairing test with external devices.
4. Cellular signal and data connection test (4G/5G).
5. Incoming and outgoing calls test.
6. AirDrop functionality check.
7. NFC test via Apple Pay.

Audio Check

1. Earpiece speaker test.
2. Microphone test via recording and playback.
3. Main speaker check via music playback.
4. Silent mode functionality test.
5. Notification and vibration check.

Camera & Flash Check

1. Main camera test (photo & video capture).
2. Front (selfie) camera test.
3. AutoFocus functionality check.
4. Portrait Mode test.
5. Night Mode test.
6. HDR test.
7. Flash operation check.

Biometric Systems Check

1. Face ID test (accurate face recognition).
2. Touch ID check (if available).

Sensors Check

1. Gyroscope test via gaming apps.
2. Accelerometer test (screen rotation).
3. Compass test.
4. GPS check using Google Maps or Apple Maps.
5. Proximity sensor test (screen turns off during calls).

Ports & Peripheral Check

1. Lightning port test (charging and data transfer).
2. SIM card test (recognition and functionality).
3. Connection test to a computer via iTunes or Finder.
4. Taptic Engine functionality check (vibration).

Software & Security Check

1. iOS version up-to-date check.
2. Reboot test.
3. iCloud sync test.
4. Storage management functionality.
5. App crash test.
6. Underperformance detection.
7. App functionality test (Safari, Messages, Mail).
8. Find My iPhone test.
9. Siri voice command responsiveness test.
10. Secure App Store purchases test.

Additional Checks

1. Hotspot functionality test.
2. CarPlay functionality test.
3. Wired headphones test (if headphone jack available).
4. Brightness dimming test in low-light conditions.
5. Overheating signs check.
6. Ghost touch detection (random screen touches).
7. Split-screen test (on supported models).
8. Apple Music & Podcasts functionality test.
9. Widgets and Live Activities test.
10. Final comprehensive system functionality check.

The 70-point iPhone inspection we perform is a comprehensive process that ensures the excellent performance and reliability of the device.

This inspection goes beyond surface-level checks and covers every critical aspect of the iPhone’s performance, from hardware to software, to ensure smooth and efficient operation.

Through this process, we ensure that the iPhone is in the best possible condition, offering you a reliable and worry-free user experience.

Best regards, the Service Team

Repair Logic