The numbers 05 or 50 indicates that your galaxy smartphone is manufactured either in Brazil, USA or Finland The numbers 08 or 80 indicates that your galaxy smartphone is manufactured in Germany Or China The numbers 01 or 10 indicates that your galaxy smartphone is manufactured in Finland The numbers are 02 or 20 indicates that your galaxy smartphone is assembled in UAE or India The numbers 03 or 30 indicates that your phone is made in China or South Korea The numbers 04 or 40 indicates that your phone is made in China or UK The numbers 06 or 60 indicates that your galaxy smartphone is manufactured either in Hong Kong, China, Mexico or France The numbers 00 indicates that your galaxy smartphone is manufactured in the Original Factory The numbers 13 indicates that your galaxy smartphone is manufactured in Azerbaijan The numbers 07 indicates that your galaxy smartphone is manufactured in Germany The numbers 20 indicates that your galaxy smartphone is manufactured in Germany The numbers 70 indicates that your galaxy smartphone is manufactured in Finland The numbers 91 indicates that your galaxy smartphone is manufactured in Finland The numbers 41 indicates that your galaxy smartphone is manufactured in the UK The numbers 44 indicates that your galaxy smartphone is manufactured in the UK The numbers 18 indicates that your galaxy smartphone is manufactured in Singapore The numbers 67 indicates that your galaxy smartphone is manufactured in the US The numbers 71 indicates that your galaxy smartphone is manufactured in Malaysia The numbers 81 indicates that your galaxy smartphone is manufactured in China Hope this helps