require specific PIN codes. Depending on whether you are resetting the Bluetooth system, entering the general settings, or attempting to force a deep system wipe via developer protocols, use these standard factory codes:
The GX3800 is reliant on a physical USB connection for both Apple CarPlay and Android Auto. If the smartphone connection is finicky or keeps dropping, try the following: grundig gx3800 factory reset code better
Before performing a factory reset, make sure to: require specific PIN codes