how to know mobile is original or not?

tips for HP

type *#06#

534987001665443
__

digit seven and eight 02 or 20
-assembly on emirates >>very bad quality

digit seven and eight 08 or 80
-manufactured in germany >>not bad

digit seven and eight 01 or 10
-manufactured in finland >>good

digit seven and eight 00
-manufactured in original factory >>best quality

digit seven and eight 13
-assembly on azerbaijan >>very bad quality and dangerous for health..

source ; asscrewz