Grundig produced several hardware revisions of the GX-3800. While 9999 works for 95% of units, some very early or very late models may use 1111 or 5555 . We will cover how to test these alternatives later.
Once you recover or reset the code, write it down inside your car's glove box or save it in your phone's notes. grundig gx-3800 factory reset code
Confirm the action when prompted. The unit will restart, and you will need to re-configure initial settings like language and tuner area. Hard Reset (Physical Button) Grundig produced several hardware revisions of the GX-3800
The unit will reboot and clear all user data and custom settings. Common Factory Passwords (If Prompted) grundig gx-3800 factory reset code