I'm considering buy Apple iPhone 6s 16GB Factory GSM Unlocked - Space Gray. iOS, GSM 850 / 1800 / 1900 MHz, 4G Network: LTE Bands B1(2100) / B2(1900) / B3(1800) / B4(1700/2100) / B5(850) / B7(2600) / B8(900) / B12(700) / B13(700) / B17(700) / B18(800) / B19(800) / B20(800) / B25(1900) / B26(850) / B28(700) / B29(700) / B30(2300) / B38(2600) / B39(1900) / B40(2300) / B41(2500), Bar Phones,IPH6S16SGUNL,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 $269.97 and I just would like to make sure it can work well before buying.