20791, this is the Broadcom NFC chip BCM20791.

Step 12, the chip above the orange one, Broadcom BCM20795 NFC controller chip.

step 20. 65V contains an NXP PN548 CLF inside. Frank C.

Step 14. the blue one, S3FWRN, is Samsung's NFC Controller chip. while the full name may be S3FWRN5 http://certification.nfc-forum.org/node/... --- Frank Chen, FMSH

Usually, a teardown contains several clear panorama HD pictures of the mother board , indicating all the ICs.