Wireless section of the Samsung SM-A11 schematic, covering the WiFi, Bluetooth and GPS circuitry, in a 4.34 MB PDF. It lets you follow the antenna paths, matching components, the connectivity chip supplies and its clock and control lines. Useful when WiFi will not switch on, Bluetooth fails to pair or GPS cannot get a fix, since you can measure the rails and locate the filters and antenna contacts involved. Opens in any PDF reader; check that the board version printed on your PCB matches.
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.