One of my next projects. The descriptions around (gps, power, camera, mic, bt, wifi, sim, speaker, usb) refer to elements located on IQI I4 Air, KW88 and similar. The rest can be seen on the screenshot.
Download: https://drive.google.com/open?id=1aeUt7_5tV7E6ZXx5sofs7wTO-5vhqqRc