Grundig Sonoclock 890 Web Firmware Update Allein Belafonte Int Top ~upd~ Jun 2026

So why do people search for this? Two reasons:

Unzip and extract the update tool executable and the corresponding .BIN system file into a dedicated folder on a Windows PC. So why do people search for this

Connect the USB cable between your computer and the USB service port situated on the back panel of the radio. So why do people search for this