systemdefault

noun
UK /ˈsɪstəm dɪˈfɔːlt/
US /ˈsɪstəm dɪˈfɔːlt/

The choice a computer makes for you when you do not pick one yourself.

If you don't choose a ringtone, your phone will use the system default.


OTHER MEANINGS

2. The automatic value a program uses when no other value is given.

The system default for the font size is twelve points.

3. The normal way a system behaves unless someone changes it.

Saving files to the documents folder is the system default.

4. A starting setup that a device returns to after a reset.

After the update, the tablet went back to its system default.