I can provide tailored troubleshooting steps or guide you toward the exact cable drivers you will need. Share public link
OPC-1122U (USB type) or OPC-1122 (RS-232 type) are required. These connect to the 15-pin accessory connector on the back of the radio. icom icf5023h programming software link
If you choose a third‑party (non‑Icom) cable, ensure it is explicitly rated for the IC‑F5023H and the CS‑F5010 software. I can provide tailored troubleshooting steps or guide
Using the wrong software can:
page for any available public updates, though full software versions usually require a login. Third-Party Retailers: Kits including the icom icf5023h programming software link
The software version does not match the radio's regional firmware.