The unit should black out and restart with factory default settings. Accessing the Hidden Developer Menu
This deep-dive guide outlines how to restore your system, access hidden menu layers, and make your head unit run faster and more reliably. Step-by-Step Guide to Resetting the Grundig GX-3800 Method 1: The Software Factory Reset (Menu System)
: Tap Erase all data (factory reset) or Resume to factory default value .
The unit should black out and restart with factory default settings. Accessing the Hidden Developer Menu
This deep-dive guide outlines how to restore your system, access hidden menu layers, and make your head unit run faster and more reliably. Step-by-Step Guide to Resetting the Grundig GX-3800 Method 1: The Software Factory Reset (Menu System)
: Tap Erase all data (factory reset) or Resume to factory default value .
