First, at the standby screen press *#06# to view your IMEI (International Mobile Equipment Identity), also known as serial number. Then look at the 7th and 8th digit, that's the Manufacturer's Code (MC). !

00 - Means it was manufactured in original factory which is the best mobile quality.

01 or 10 - Manufactured in Finland which is very good quality.

02 or 20 - Means your phone was assembled in Emirates which is very bad quality.

06 - Made in Flensburg, Germany (flare).

07 - Made in Flensburg, Germany.

08 or 80 - Manufactured in Germany which is faired quality.

13 - Means it was manufactured in Azerbaijan, which is also a very bad quality.

40 and 41 - Made in Easterinch, Scotland (UK).

47 - Very popular fake IMEI, There are thousands of phones out there with IMEI=000000470000000.

49 - Was found on a 8700 from China with fake IMEI.

67 - Made in Illinois, USA (most prototypes).

80 and 81 - Made in Tianjin, China.

92 and 93 - Made in China by EASTCOM in Hangzhou.