It's not fully applicable without the Substance Designer 6 (used at the end of the tutorial), but it can give us a good idea about how to get good textures using a single smartphone.
And, for those with skills in electronics:
- Using your smartphone as a material scanner by Anthony Salvi
- Go scan the world! Photogrammetry wieh a smartphone by Anthony Salvi
- 12 Tips & Tricks for Shooting Great Textures
- How To Split Specular And Diffuse In Real Images
- Normal Map Photography
- Free Photo Scanning Workflow! (VisualSFM and Meshlab)
And, for those with skills in electronics: