All the products we sell are legitimate and 100% functional (including screen, battery health etc). However, the physical condition of each phone may differ. We have categorised these conditions into the below: Mint: Screen: Excellent condition. No scratches. Body: Excellent condition. No scratches visible from a distance of 20cm. Battery: Good condition. Minimum 80% of its maximum capacity Very Good: Screen: Excellent condition. No scratches. Body: Very good condition. No scratches visible from a distance of 20 inches (about an arm's length). Battery: Good condition. Minimum 80% of its maximum capacity. Good: Screen: Very good condition. No scratches visible when the screen is on. Body: Good condition. May have light but plainly visible scratches. Battery: Good condition. Minimum 80% of its maximum capacity. Fair: Screen: Good condition. No scratches visible when the screen is on. Body: Fair condition. May have visible signs of use, with scratches and/or dents that can be felt. Battery: Good condition. Minimum 80% of its maximum capacity.