Samsung SM-P905 archive of 3.39 MB; the model code belongs to the Galaxy Note Pro 12.2 LTE tablet. The name says nothing about the contents, so it may hold a schematic, a layout or a service-manual extract; look inside before relying on it. Use material like this to follow power rails from the battery connector through the PMIC, find the charging IC and the display power circuit, and identify test points for diagnosing a short. Always match the board revision printed on the PCB against the document.
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 @esquematicosparatodos. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.