Notable ICs on the motherboard:

Toshiba THGBMAG7A2JBAIR 16 GB eMMC NAND Flash

SK Hynix H9TKNNNBPDAR RAM (we assume that the Snapdragon S4 Pro is also layered under this IC)

Qualcomm PM8921 Power Management IC

Texas Instruments TMS320C55 Digital Signal Processor

NXP 44701 NFC Chip

Skyworks 77619-12 Multiband Multimode Power Amplifier Module for Quad-Band GSM / EDGE and Penta-Band (Bands I, II, IV, V, VIII) WCDMA/ HSDPA/ HSUPA/ HSPA+/ LTE

Texas Instruments MSP430 F5259 Mixed Signal Microcontroller