This is a Black Phone (BP) project, based on on STM32H750VB to provide an opensource, hackable, customizable, mobile phone. The display and camera has a resolution of 320x240 pixels. There are 2 USB connector, Type-C connector and MicroUSB.
All the necessary files are available on Github soon.
Contain:

MCU STM32H750VB 480MHz 1M SRAM, 128K FLASH
LCD 320x240 16Bit color
QSPI memory, uSD card
CAM - QVGA camera
GSM\GPS - SIM868
WiFI\BLE - ESP32
Sound codec WM8965
LORA LA-01/02
IrDA
etc

Board thickness 1.2mm