2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) 3G bands HSDPA 850 / 900 / 1900 / 2100 - EMEA HSDPA 850 ...
In other words, this won't be a situation like we have with the Samsung Galaxy ... The “B” in the model number indicates a Global version and the “DS” part confirms Dual SIM Card support.
Further, Samsung uses the “B” denomination in the model number to indicate a Global version of the device, whereas “DS” refers to a dual-SIM variant. Thus, the SM-S937B/DS is guessed to be ...