This cuts the power momentarily to the processor. You have just performed a "soft" factory reset. All temporary memory (including Bluetooth pairings) is cleared.
The unit takes a long time to boot or apps crash frequently. grundig gx3800 factory reset code better
This is a full factory reset, but a "soft reboot" that fixes 90% of glitches without erasing your presets. This cuts the power momentarily to the processor
When troubleshooting fails, performing a factory reset is the most effective way to restore the stereo to its original operating state. this is your "secret sequence."
If the physical button doesn't work or the device won't turn on, this is your "secret sequence."