Grundig Sonoclock 890 Web Firmware Update Allein Belafonte Int Top ((free)) -
: Connect the radio to your computer using the USB cable.
If you need to perform a manual update to a specific version like 1.26 or higher, follow these procedural steps: : Connect the radio to your computer using the USB cable
To ensure your radio stays current without manual intervention: Grundig Sonoclock 890 WEB Manual - ManualsLib : Connect the radio to your computer using the USB cable

