[181] NFCT: Invalid value in FICR for double-size NFCID1

This anomaly applies to IC Rev. Rev 1, build codes QFAA-B00, QFAB-B00, CIAA-B00.

Symptoms

NFC not communicating with the peer device.

Conditions

Using NFCID1 values from FICR and using double-size ID. FICR address 0x454 NFC.TAGHEADER1.UD4 is equal to 0x88.

Consequences

NFC does not communicate reliably with the peer device.

Workaround

Do not use 0x88 value in NFCID1.