RAR archive of roughly 11.2 MB for the Motorola Moto E6s, model XT2053. The name does not state what is inside, so it may hold schematics, a board layout, service documents or firmware files; extract it and inspect the contents before planning any work. For smartphone repair, such packages are typically used to locate components, trace charging and power lines, or restore software. Check that the model code on the phone label matches XT2053 exactly, as Motorola variants differ by region and hardware revision.
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 @esquemaseletricos. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.