An independent engineer known for modifying Apple products today revealed a new accessory that adds a fully functional USB-C ...

A new iPhone case from engineer Ken Pillonel lets anyone add a USB-C port to an older Lightning iPhone, with no disassembly ...

As far as I understand usb_f207.c code, it always inits USB HS in FS mode with internal PHY. But stm32 supports external phy by ULPI interface and if I understand correctly, now it's not implemented ...