please help me for my nokia 6061
 

hello I need a great help for my nokia 6061 of cingular the USA. the imei of my nokia 6061 commençe by 010768007743008 and I am in Africa thus I would like to know if the nokia 6061 can function in ivory dimension? because I désimlocké my nokia and when I put a chart sim my country, the nokia 6061 do not recognize the network of my chart ORANGE sim. I need a solution help me PLEASE thank you