kib669 and I both have radios from the same source and have the same issue. I realize the TK880 and the TK7180/8180 are not the same radios, but even though the firmware MIGHT BE different files, the process to restore Kenwood firmware to them in this situation is the same. When replying ok to the message that states that it’s not a factory version 2 radio, and before the UNPROGRAM message, the screen displays “PROG LTR-NET” so we know it has that firmware. Using 49D (with the PROGRAM FIRMWARE box checked) to start the plug writing-to-the -radio process, the radio screen display changes to PROGRAM from UNPROGRAM. If you stop there and do not proceed to write a code plug you can (supposedly) then use FPro to now write a firmware hex file to the radio, IF the radio does indeed have LTR-NET firmware installed. As I understand it. If that fails, then one must use the SJ-180 software to write the firmware to replace the alternative brand firmware, once the radio is returned to the PROGRAM screen display, supposedly! I’m prepared to try this but so far I CANNOT secure ANY (latest or previous) Kenwood firmware hex file for the Version-2 TK-880. Hopefully my area Kenwood dealer will provide the file next week at an acceptable price.