Display section of a phone schematic saved as PDF, part of a series of pages around 4.78 MB, with no device model in its name. It typically details the LCD connector pinout, MIPI data lanes, display supply rails and reset and control lines. Use it when the screen stays black, shows lines or flickers, to check that each supply reaches the connector and the signals are not shorted to ground. Verify the connector layout matches your panel and board before relying on pin numbering.
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 @phoneSchematics. 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.