Can a single carrier see both IMEI 1 and IMEI 2 in a dual-SIM phone?

To have 2 usable, active mobile numbers, a smartphone must have: At least 2 SIMs: Each SIM is identified by an IMEI code Dual SIM Dual Standby

Each Sim slot has it's own unique imei number @AnnS so if Vodafone attached a blacklist to sim slot one imei which is the main slot people tend

imei slot 1 slot-2) I've contacted both carriers and each one asked for both IMEI numbers which they used to query their database to

imei slot 1 or 2 Know Your Mobile IMEI Verification