What is an IMEI number and what is it for?

Does a device with no physical SIM slot have an IMEI? what is imei slot 1 and slot 2 Because the dual-card phone can insert SIM cards in both card slots, it is regarded as two integrated devices in the GSM cellular what is slot game Dual SIM phones will have two IMEI numbers How to check the IMEI number in the mobile device? User can dial *#06# in their 2,16,003, 1,94,807, 21,196 11

what free slot games pay real money 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