What is an IMEI number and why should you care?

Samsung Galaxy S22 Ultra : How to check IMEI slot 2 imei slot 2 Hi my p40 lite has two slots but one IMEI number, can you please help imei slot 2 For the iPhone 13 thats 2 One for the physical SIM-Slot, and another one for the eSIM Slot You can also find the two IMEIs on the original

imei slot meaning For the iPhone 13 thats 2 One for the physical SIM-Slot, and another one for the eSIM Slot You can also find the two IMEIs on the original