If your DMR112 DAB is not receiving stations, you need to re-scan (see Part 4), not update.
: Located inside the battery compartment, this port is the hardware interface for updates but cannot be used without proprietary Makita service software . makita dmr 112 software update download
If a hardware reset fails to fix your radio, the issue is likely component damage rather than corrupted software. If your DMR112 DAB is not receiving stations,
Rotate the Volume/Tuning knob until appears on the LCD. makita dmr 112 software update download