The phone has two boards inside

The top board contains the phone's components, cameras, 3.5mm headphone combo jack, SIM card slot, MicroSD card slot and battery connector. It also connects to the button flex cable, display flex cable and board interconnect flex cable.

The bottom board contains the phone's MicroUSB 2.0 port and vibrator. It also connects to the board interconnect flex cable, the display digitizer flex cable and the internal speaker.