: Tap on the option labeled Factory Default or Reset Options .
If the touchscreen is unresponsive or you cannot access the menu, most Grundig units feature a physical reset method: Reset Button : Look for a small pinhole labeled grundig gx-3800 factory reset code
Keep this guide bookmarked. While you may not need it often, when that frozen screen or Bluetooth error appears, you will be glad you have the correct code at your fingertips. : Tap on the option labeled Factory Default or Reset Options
If the primary code is rejected or fails to clear the issue, a Master Clear may be required. This is more aggressive and erases firmware settings. If the primary code is rejected or fails
The factory reset code for the Grundig GX-3800 is typically , based on common defaults for Grundig automotive units and user community discussions How to Perform a Factory Reset