: If the PC upgrade tool won't let you proceed, the custom USB driver is not properly binding to the radio while it sits in "USB Upgrade" mode. Recheck your Windows Device Manager to ensure the device isn't categorized as an unknown USB interface.
The is an advanced alarm clock radio from the early 2010s, designed to combine style with technology. While often seen as a kitchen appliance, its capabilities extend far beyond simple timekeeping. Key features include:
: If your radio fails to load station lists after an update, it may be due to the original portal (often vTuner or Frontier) no longer supporting older devices. Some users use community tools like to redirect these requests to working station databases. or a guide on setting up a custom radio portal Grundig Sonoclock 890 Web Firmware Update - Facebook grundig sonoclock 890 web firmware update repack
By 2015, Grundig had phased out support for the 890. The official update servers are long offline. The original update tool (a Java applet that ran in the browser) is deprecated due to Java security blocks in modern OSes (Windows 11, macOS Ventura, etc.). This is where the community emerged.
| File Name | Purpose | | :--- | :--- | | fw_update_890_v3.0.4_repack.exe | A self-extracting archive or a launcher for the web server | | sonoclock_firmware.bin | The actual firmware (approx 2.4 MB) | | mongoose.exe | Tiny web server to replace the obsolete Java backend | | update.bat | Script that tells your PC firewall to allow port 8888 | | readme_repack.txt | Instructions (usually in German or broken English) | : If the PC upgrade tool won't let
The downloaded (containing the custom .bin firmware file, the flash utility tool, and the necessary USB drivers). Step 1: Boot the Device into USB Upgrade Mode
Follow the on-screen prompts and during the progress bar. Method 2: The Web Interface While often seen as a kitchen appliance, its
Disconnect the radio from power, insert the drive, and then reconnect the power.
: For "repacking" or reviving the web functionality, some developers use YCast , a self-hosted replacement for vTuner that can redirect the radio to an independent station list.
For more information on the Grundig Sonoclock 890 and the web firmware update repack, please refer to the following resources:
