We smell chips! With the motherboard free and the EMI shielding pulled away, it's time for a look at the silicon:

Micron MT53B384M64D4NK-062 3 GB LPDDR4 RAM, layered over Qualcomm Snapdragon 810 v2.1, 2.0 GHz octa-core 64-bit CPU

Samsung KLMBG4GEND-B031 32 GB eMMC 5.0 NAND flash

Qualcomm PMI8994 power management IC (found in many 2015 Android smartphones including the Nexus 5X)

Qualcomm SMB1351 Quick Charge IC (Likely an iteration of SMB1358 found in the Nexus 5X)

Qualcomm QFE1100 envelope tracking IC

ST Microelectronics STM32F411CE 32-bit 100 MHz ARM Cortex-M4 RISC microcontroller

Maxim Integrated MAX98925 audio amplifier