How to know used or unused galaxy s3 -

blackberry torch 9800 Black Good condition (UNLOCKED)
Blackberry 9800 Black (Unlocked to All UK network). The handset is in very good condition There are some miner scratches on the sides and on the top of the phone but you can only see them when you look closely. the rest of the phone have not a single scratch on. The screen have a screen protector on from day 1 so there are no scratches on the screen. Every thing works perfect no problem. the phone includes: Blackberry 9800 (UNLOCKED) original Box USB cable Charger Headphone