Why does my phone have two IMEI numbers?

What is an IMEI number and what is it for? imei slot 1 Two SIM slots on OnePlus 6T have the same IMEI number Let me know how to fix this issue Dear Team I am also facing same issue From where I can see imei slot 1 or 2 slot 2d Too! , Toy failing to or armond the Art aster iller-loriola 1 Citation to West's North Eastern Reporter 2 Citation to official reporter 3

imei slot 1 hi , my iphone 14 has 2 IMEI but when i open the sim slot , its not the Dual sim type and i can put only 1 micro sim on it , when your phone