Quality Checkpoints

Universal 54-point checklist that applies to any refurbished smartphone

📋 54-Point Quality Checklist for Refurbished Phones

1. Power & Charging

1. Wired charging functionality check
   

2. Wireless charging functionality check (if applicable)
   

3. Charging speed and stability test
   

4. Overheating check while charging
   
   

2. Battery Health

5. Battery health percentage verification
   

6. Battery cycle count check
   

7. Battery drain test under load
   

8. Battery swelling or leakage inspection
   
   

3. Display & Touch

9. Touchscreen responsiveness (single & multi-touch)
   

10. Dead pixel and discoloration test
    

11. Brightness adjustment and auto-brightness sensor test
    

12. Screen cracks or scratches inspection
    

13. Color accuracy and white balance check
    

14. Special display features (HDR, True Tone, etc.) test
    

4. Performance & Processor

15. App load time check
    

16. Smooth multitasking and navigation
    

17. Benchmark test (speed & performance)
    

18. Thermal performance during heavy usage
    
    

5. Camera System

19. Rear camera image and video quality test
    

20. Front camera image and video quality test
    

21. Autofocus accuracy check
    

22. Flashlight/torch functionality
    

23. Camera mode testing (portrait, night, macro, panorama)
    
    

6. Audio & Sound

24. Earpiece sound clarity check
    

25. Loudspeaker volume and distortion test
    

26. Microphone clarity test (main, secondary, noise-canceling)
    

27. Audio jack or port check (if applicable)
    

28. Wireless audio pairing (Bluetooth headphones)
    
    

7. Connectivity

29. Wi-Fi connectivity and speed test
    

30. Mobile data (4G/5G) connection stability
    

31. GPS accuracy test
    

32. Bluetooth pairing range test
    

33. NFC functionality (including mobile payment
    

34. Hotspot tethering functionality
    
    

8. Security & Authentication

35. Fingerprint sensor accuracy and speed test
    

36. Face recognition/Face ID test
    

37. Lock/unlock functionality check
    

38. Security integration with apps and payments
    
    

9. Buttons & Switches

39. Power button response test
    

40. Volume button responsiveness
    

41. Mute switch (if applicable)
    

42. Home button test (if applicable)
    
    

10. Sensors

43. Proximity sensor function
    

44. Ambient light sensor function
    

45. Accelerometer accuracy
    

46. Gyroscope response
    

47. Compass calibration
    

48. Barometer check (if applicable)
    
    

11. Software & System

49. Factory reset & latest OS installation
    

50. Removal of old accounts (no iCloud/Google lock)
    

51. IMEI and serial number verification (not blacklisted)
    

52. App Store/Play Store functionality
    

53. Full diagnostics test via software tools
    
    

12. Final Quality Assurance

54. Physical inspection & cleaning before packaging

This 54-point refurbished phone checklist works for iPhones, Androids, and other smartphones, making it universal while still covering brand-specific needs.