How to find the IMEI number of your device

my phone has two IMEI numbers, when transferring numbers does public mobile need the IMEI of my used SIM slot or the avaliable SIM slot?

An IMEI code is available on all mobile devices that support the operation of SIM cards, and is assigned to each SIM card slot separately If a mobile device

imei slot 1 or 2 No, you need to enter only one of them into the IMEI number field More information visit Samsung FAQ page for exchange & upgrade

imei slot 1 IMEI 1 Each SIM slot has an IMEI assigned for identification As your device is dual-SIM, it has two SIM-slots and therefore two IMEI numbers