I'm considering buy Samsung Galaxy Note 9 128GB SM - N960UZBAATT GSM Unlocked 4G LTE 6.4" Super AMOLED Display 6GB RAM D. Android, Original Carrier is AT&T but the Phone is unlocked to work with GSM Carrier., N960UZBAATT, GSM: 850, 900, 1800, 1900 Mhz,NOTE9ATTBLACK,View Return Policy

I'd love it if those of you who have bought the product could tell me what you think. I would love any extra info, as it is quite pricey as $539.99 and I just would like to make sure it can work well before buying.