No. Samsung Galaxy A20 does not have the IR sensor.
Yes, Samsung Galaxy A20 does have the face unlock support.
No. Galaxy A20 does not have the NFC support.
No. Samsung Galaxy A20 comes with 2 dedicated 4G sim card slots and a dedicated MicroSD card slot. So, basically, you can use 2 sim cards and a memory card at the same time.
Yes, Samsung Galaxy A20 does have the support for the FM radio.
