Network or RF section from the Samsung Galaxy A30s (SM-A30S) schematic collection, as a 4.29 MB PDF file. It covers the cellular radio path, typically the transceiver, power amplifiers, antenna switches and the antenna connections. Use it for no signal or no service faults, to follow the RF path, check supply rails to the amplifiers and locate antenna contacts and test points. Any PDF viewer will open it; RF parts can vary between regional variants, so compare with the board you have.
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.