This post explains for the Processor.
The Part Number is MT6250.
The function of this semiconductor is GSM/GPRS SOC Processor.
Package: TFBGA 9.8mm * 9.6mm, 233-ball, 0.5mm pitch
Manufacturer: MediaTek Inc
The MT6250 is a monolithic chip integrating leading edge power management unit, analog baseband and radio circuitry based on the low-power CMOS process.
The Processor is a feature-rich and extremely powerful single-chip solution for high-end
GSM/GPRS and EDGE-Rx capability. Based on the 32-bit ARM7EJ-S TM RISC processor,
MT6250D’s superb processing power, along with high bandwidth architecture and dedicated
hardware support, provides a platform for high-performance GPRS/EDGE-Rx Class 12
MODEM application and leading-edge multimedia application.
1. Integrated voice-band, audio-band and base-band analog front-end
2. Integrated full-featured power management unit