oppo reno dual-sim 256gb rom, 6gb ram (gsm only, no cdma) factory unlocked 4g/lte smartphone - international version (jet black) oppo <p>reno is about seeing the world from completely new perspectives. the technology behind reno elevates photography and mobile entertainment to all-new heights. let reno further your vision.</p> <p>dual-sim, network compatibility : sim card 1 [ 2g gsm 850 / 900 / 1800 / 1900 and/or 3g umts 850(b5) / 900(b8) / 1900(b2) / 2100(b1) and/or 4g fdd-lte : 800(b20) / 850(b5) / 900(b8) / 1800(b3) / 2100(b1) / 2600(b7) : tdd-lte 2300(b40) / 2600(b38) ] and sim card 2 [ 2g gsm 850 / 900 / 1800 / 1900 ]</p> <p>for usa buyers : this smartphone is compatible/will work with any gsm networks such as at&t, t-mobile. for exact 2g gsm, 3g, 4g/lte compatibility, please check with your network provider in advance prior to your purchase. this phone will not work with any cdma networks such as verizon, sprint, us cellular.</p>