Why does my phone have two IMEI numbers?

Why does my phone have two IMEI numbers? imei slot 1 FREE Downloads: 1 - Mobile Broadband and 2 imei slot 1 imei slot 2 IMEI for networks of GSM standard) Such an identifier is assigned to each SIM slot of the mobile device Such a CEIR may include the following lists: White

imei slot 1 imei slot 2 Nano Sim, Hybrid Sim Slot DISPLAY DISPLAY SIZE inch ( IMEI 123456789012345 Brand Apple Device Model IPhone 14 Pro Variant

imei slot 1 slot 2 nedir He came back with a xiaomi rom in Chinese The worry is that the slot1 does not work, it recognizes the sim card but impossible to have network  specs before buying a phone? A certain chipset perhaps? Anyone know which particular models of dual-sim phones have 1 or 2 IMEI numbers?