Excellent - Item looks brand new. 100% flawless
Good - Light Wear with 100% functionality. Most gently used items will be in this category.
Fair - Moderately used item with 100% functionality. All buttons work. No cracks or deep scratches.
Worn But Functional - Heavily used item And/Or minor functional flaws. Sticky buttons, small cracks etc.
Defective - Item is broken and does not function correctly. This includes items with major functional flaws, busted screens, water damage etc. Includes Bad ESN Phones.