TCL 10L Manual page 30

Quick settings panel
Touch and drag down from the top of the screen once using two
fingers, or twice using one finger to open the Quick settings panel.
You can enable or disable functions or change modes by touching
the icons.
Touch the Edit icon
Touch to access Settings,
where you can set more items.
Touch to clear all event–based notifications
(other ongoing notifications will remain).
to customise your Quick settings panel.
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