Source google image: https://ih0.redbubble.net/image.498719563.9479/mwo,1000x,samsung_galaxy_s9_snap-pad,750×1000,f8f8f8.lite-1u1.jpg
Schema electrique samsung galaxy s4
Source google image: https://ih0.redbubble.net/image.498719563.9479/mwo,1000x,samsung_galaxy_s9_snap-pad,750×1000,f8f8f8.lite-1u1.jpg