Knowledge Base

Grading Devices

This page outlines how we grade the devices we carry according to which criteria

Understanding the Different Device Surfaces

Surface A

Surface A refers to the front housing of a device which is visible when looking directly at the device but is not part of the back housing

Surface A also refers to the fingerprint sensor if it exists

Surface AA

Surface AA refers to the display of a device in addition to all camera lenses.

Surface B

Surface B refers to the sides and back of a device housing. This includes

  • Housing sides, corners, and backs
  • Other visible parts such as sim tray cosmetic area, logos, battery cover, side keys, USB port area, headset port area, audio mesh, microphone holes, screws that are visible, and other visible surfaces (antenna, stylus, and bezels.)

Surface C

Surface C refers to internal components that are connectors under covers

Cell Phone Grading Criteria

45 Points Inspection Criteria

All of the pre-owned devices we carry go through a lot of checks and tests to ensure our customers are getting what they’re supposed to get when they are buying from us. The following is a list of those individual checkpoints.

 

 

  1. IMEI Check
  2. Power Key
  3. Volume Up Key
  4. Volume Down Key
  5. home Button
  6. Mute Key
  7. Fingerprint Test
  8. Front Camera
  9. Flash Light
  10. Rear Camera
  11. First Microphone
  12. Second Microphone
  13. Tertiary Microphone
  14. Loud Speaker
  15. Ear Speaker
  16. Touch Screen
  17. Charging
  18. Headphones
  19. Headphones Volume Up
  20. Headphones Volume Down
  21. Headphones Media
  22. Vibrator
  23. Network Carrier
  24. Wifi
  25. Bluetooth
  26. Brightness
  27. Light Sensor
  28. Live Call
  29. Orientation
  30. Gyroscope
  31. Accelerometer
  32. Display Check: White Background
  33. display Check: Black Background
  34. Display Check: Blue Background
  35. Display Check: Green Background
  36. Display Check: Red Background
  37. Battery Percentage Check
  38. FMIP/FRP lock check
  39. Data Wipe
  40. Proximity Sensor
  41. Wireless Charging
  42. NFC
  43. USB check
  44. Touch ID
  45. Face ID

 

 

Pre-owned Grade A Devices

Pre-owned Grade B Devices

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