Varmilo VA88M Keyboard Secret Shortcuts

(not actually secret, but hard to find)

Fn + Arrow Right: Switch Backlight mode
Fn + Arrow Up: increase Backlight
Fn + Arrow Down: decrease Backlight
Fn + Right Win: hold for 3 seconds to switch Fn key with Right Win key (to switch back, press Left Win first, then Fn)
Fn + ESC: hold for 3 seconds to reset settings (if switched with Win key, hold Left Win  + ESC)
Fn + Left Ctrl: switch Caps Lock and left Ctrl (use Caps Lock key to switch back!)
Fn + W: hold for 3 seconds to switch to Windows mode
Fn + A: hold for 3 seconds to switch to Apple mode