I will Teach you a simple and guaranteed way to check mobile whether it is original or not based on serial number not on IMEI , IMEI is not complete guaranteed because somebody can change IMEI by some software .
But serial number is the best way to make sure that your mobile is real or fake because no one can change it
I will give you instructions how to do that .
Teach you to check mobile
Teach you a simple way to check mobile wether it is original or not based on serial number