• AAAAAA/BB/CCCCCC/D
• AAAAAA = Type of the phone (mass production have more than 1 code)
• CCCCCC = Serial Number
• D = IMEI verifyer
• Check your BB.
10 = Finland
20 = Germany
30 = Korea
40 = China
50 = Brazil, USA, Finland
60 = Hong Kong, China, Mexico
70 = Finland
80 = Hungary
91 = Finlandupgrade