Press the following on your mobile *#06# and the International Mobile Equipment Identity (IMEI) number appears
check the 7th and 8th digits
IF the 7th & 8th digits are 02 or 20 that mean it was Assembled in Emirates which is very Bad quality.
IF the 7th & 8th digits are 01 or 10 that mean it's manufactured in Finland which is Good.
IF the 7th & 8th digits are 00 that mean it was manufactured in original factory which is the best Mobile Quality ...
IF the 7th & 8th digits are 13 that mean it was Assembled on Azerbaijan which is very Bad quality and very dangerous for health!!!