Xiaomi F2 Pro schematic in a compact 316 KB PDF. The small size suggests it may cover only part of the design or be a lightweight vector export, so inspect the page count before relying on it for complete tracing. Such diagrams are used to follow charging and PMIC power rails, check connector pinouts for the display and battery, and look up the signals that leave the SoC. Keep the board revision in mind and cross-check unusual readings against a known good unit where possible.
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 @mischematic. 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.