Nokia N9 16GB 3G Wifi GPS NFC GSM Unlocked MeeGo Touchscreen (Black) MeeGo-Harmattan 1.2 OS Will be delivered straight to your door on September 23rd 2011 Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.