When your phone has two IMEI numbers?

Using 2 numbers on 1 phone FAQs what is imei slot 1 and slot 2 IMEI number If you are using a dual SIM phone, then it will have 2 IMEI numbers One for each SIM, which means each slot has its own ID You what the fox megaways slot 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

what''s a slot 1-Link to FBR Upon In case of dual SIM slot, how can I register my 2nd slot IMEI, if only my first slot IMEI is registered?