I'm considering buy Nokia Lumia 830 16GB (No CDMA, GSM only) Factory Unlocked 4G/LTE Smartphone - Green. Microsoft Windows Phone 8.1, Lumia 830-GR, GSM 850 / 900 / 1800 / 1900 MHz, Touch Screen Phones,Lumia 830-GR,9SIAEJW7VP4198,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 $609.00 and I just would like to make sure it can work well before buying.