Compact 819 KB zip of schematic material for the model code A245F, with no further revision or board details in the name. Expect circuit pages covering power management, charging, USB, display and sensor interfaces for the phone mainboard. A technician uses it to identify which component sits on a failing rail, check connector pinouts and follow signal paths during fault finding. Make sure the model code on the device label and board matches before trusting component references.
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 .zip file
Compressed archive that every operating system opens without extra software.