Sony Ericsson ,LG ,Dell ,Huawai, Pantech , Sidekick , Toshiba ,Motorola , HP , Nokia Xperia ,.
dubble check if what
country you can used at
setting /general/ about/legal/regulatory
Note: Unlocking a GSM Vs CDMA
a big different GSM can be used in the country it was luck
a CDMA cannot be used in the country it was luck