More ICs on the back of the logic board:

Qualcomm WFR1620 receive-only companion chip. Qualcomm states that the WFR1620 is "required for implementation of carrier aggregation with WTR1625L."

Qualcomm PM8019 Power Management IC

Texas Instruments 343S0694 Touch Transmitter

AMS AS3923 NFC Booster IC

Cirrus Logic 338S1201 Audio Codec

Bosch Sensortec BMP280

A big and hearty mega-thanks to our pals at Chipworks for helping us ID all of this tech. We definitely couldn't have done it without them!