TOTO&reg; Star N8000 MTK6582 Quad Core 1.3GHz Android 4.2.2 5.5" IPS QHD Capacitive Screen RAM 1GB+4GB 3G Smart phone Camera 13.0MP Black (NEW N8000 White) TOTO  sales, Unlocked world GSM phone. 3G - 850/2100, 2G -850/900/1800/1900. Compatible with at&t, T-Mobile, Straight Talk, Simple Mobile and other GSM networks. Please make sure your SIM card is not locked with PUK code. 3G - 850/2100 bands. Fully compatible with at&t at 3.75G, compatilble with T-Mobile at 2G. For other network such as Straight Talk, Trac fone, Simple Mobile or Net 10 will require a manual APN setup Free Tether - Use your 3G data service as a WiFi hot spot and connect your notebook, ipad or other device for free. No need to pay monthly tether fee Dual SIM Card Dual Standby(one Micro SIM card)