Why does my phone have two IMEI number and I have one SIM card?

imei slotIsmail mengatakan, sebenarnya di awal berjalannya aturan pengendalian IMEI perangkat, pemerintah menyiapkan 1,2 miliar slot kapasitas mesin CEIRI see two IMEI numbers on my phone; do I need to provide both for exchange? No, you need to enter only one of them into the IMEI number field.