2. Samsung is one of the most popular smartphone & consumer electronic brands in world. While it utilises multiple operating systems, this South Korean firm is known mainly for its Android-powered ...
sim 2 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz sim 1 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21.1 Mbit/s ?, HSUPA 5.76 Mbit/s ...