imei slotA mobile phone has one IMEI number per SIM slot, so if you have a dual SIM phone, it will have two IMEI numbers: IMEI 1 for the first SIM slot and IMEI 2 for the secondIf you have SIM card only in slot2 IMEI for that slot will be used otherwise if you have SIM card in slot1 or in both slots or no SIM card at