Parts Quality
QUALITY GRADES CLASSIFIED BY MATERIALS AND FACTORY TYPES
| QUALITY | DEFINITION |
| OEM NEW | ORIGINAL and NEW from OEM factory |
| OEM USED | ORIGINAL but USED already, torn down from used/new devices |
| OEM REFURB | REFURBISHED NEW from ORIGINAL USED parts by replacing, cleaning, oxidation, polishing, etc. procedures |
| S+ GRADE | ORIGINAL materials and assembled by 3rd-party |
| AA GRADE | MIXED ORIGINAL and COMPATIBLE materials and assembled by 3rd-party factory |
| A+ GRADE | COMPATIBLE materials and assembled by 3rd-party factory |