Sony Ericsson ,LG ,Dell ,Huawai, Pantech , Sidekick , Toshiba ,Motorola , HP , Nokia Xperia ,.
Factory unlock 
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​