Circuit diagram for the Xiaomi Mi 10 phone, delivered as a 2.01 MB PDF. Expect sheets covering power management, charging, the display and camera interfaces, audio, memory and RF, though the exact contents are not stated in the name. Technicians rely on it to find the rail behind a short, compare measured voltages with expected ones, and identify components around connectors. Use a PDF reader with search for net labels, and do not apply it to the Mi 10 Pro or other variants without checking.
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.