You can know that where was your mobile set was built in. It is very easy way to find it. This code is *#06#. Now you can see 15 digit code. Now, you check the 7 and 8 no digit.
For all Nokia:
10 = Finland also 01 = Finland
20 = Germany or 02
30 = Korea or 03
40 = China or 04
50 = Brazil, USA, Finland or 05
60 = HK, China, Mexico or 06
70 = Finland or 07
80 = Hungary or 08
91 = Finland or 19
There may be more and not grantee about accuracy.
You can always look at the sticker under your phones battery. Its not always correct
sometimes it is MADE BY NOKIA
If the rate of seven and eight is a number 02 or 20 Hp was made in Asia with a bad quality and may harmful for ur health.
If the rate of seven and eight is a number 08 or 80 Hp was made in Germany with decent quality.
If the rate of seven and eight is a number 01 or 10 Hp was made in Finland with good quality.
If the rate of seven and eight is the number 00 Hp was made in France with best quality.
If you do not include mobile phones from one of the above means that your HP is the HP is not original.