Big players on the front of the board include:

ST Ericsson CPCAP 2.2TC22 DC Power Management (thanks, Chipworks!)

Triquint TQM7M5013 Linear Power Amplifier

Qualcomm PM8028 RF Power Management IC

Toshiba eMMC THGBM2G7D4FBAIE 16GB NAND Flash

Kionix KXTF9 MEMS Motion Sensing Accelerometer

An ultra high-res version of this picture can be seen here.