Back o' mobo:

Samsung K3PE0E00A 2GB RAM. We suspect the Snapdragon S4 Pro (APQ8064) 1.5 GHz CPU lies underneath.

Qualcomm MDM9215M 4G GSM/UMTS/LTE modem

Qualcomm PM8921 Power Management

Broadcom 20793S NFC Controller

Avago A5702, A5704, A5505

Qualcomm WCD9310 audio codec

Qualcomm PM8821 Power Management