Short press to sleep/wake.
Long press to turn on/off.
For folio assembly and disassembly.
Status of battery.
DO NOT remove the screen protector, it is essential for the exquisite writing experience.
Side touch slider
Slide from top to bottom to bring up the sidebar.
Slide from bottom to top to refresh the display.
Assembly by fitting guide rail of folio and guide rail groove of device from top to bottom or vice versa, same way to remove folio.