The specs say "NETWORK Unlocked GSM/UMTS/HSPA+ GSM/EDGE/GPRS (850, 900, 1800, 1900 MHz) 3G (850, 900, 1700, 1900, 2100 MHz) HSPA+ 21". So I'm also assuming this means you can use it worldwide with any SIM, I've used my older LG android all over the world (AT&T or T-Mobile in the US).