Schematic for the Xiaomi Mi 8 Lite smartphone in PDF format, about 2.7 MB. The name gives no board revision, so check the version on the title page. Phone schematics like this help trace the power management and charging circuitry, the battery connector and display lines. They also help diagnose shorted capacitors on the main rails, a common fault after liquid damage. Use it alongside a boardview if available. Any PDF viewer opens the file, and the search function is useful for finding net names.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @schematic_mobile5. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.