While there are "top" search results on various file-sharing sites offering cracked versions of CS-F5020, These files can contain malware, viruses, or corrupted data that can "brick" your radio, rendering it useless.
Power on the ICF5023 while pressing the (often marked “P2”). The version number (e.g., V1.4 or V2.0) will flash. Match software version requirements. icom icf5023 programming software download top