Diagnose motherboards by power consumption, PMIC and schematics.
Videos by MovilOne · 5.1L views on this playlist

An English course on phone motherboard repair. It covers repair tools and schematic software (ZXW, WuXinji), SMD components, reading current draw on a power supply, and diagnosing faults around the PMIC.
Printable cheat sheet: outcomes and the video checklist
These are the first 12 of 32 videos. Continue the full playlist on YouTube
Every lesson plays the original video from MovilOne with YouTube's own player, so views and credit stay with the creator. We picked this playlist because it's complete, in order, and recently updated. SkillSpring adds progress tracking, notes, bookmarks and focus mode around it.
Playlist: “Mobile Phone Repair Course” · 32 videos · last updated Mar 2023. Open on YouTube