What does IMEI 1 and IMEI 2 number mean in your device?

How to change your IMEI number on Android MTK Smartphones imei slot meaning Prior to Android L there was no official support for Dual SIM phones Since IMEI is tagged to specific SIM slot, the value returned by imei slot 1 or 2 Anyway, only the IMEI of sim slot 1 is showing up blacklisted when I run the check Sim slot 2 IMEI is reported clean I am worried now that

imei slot The sim card is assigned a carrier, line type, and has a contact number attached to it It is also programmed with users' device's IMEI number,