realme Book does not support changing the "Fn" key function, the system disables the Fn lock function by default. To use the special functions with icons printed on each key, please press the function key directly. To use the traditional F1-F12 functions, please press the Fn key and the corresponding function key.
Article Reference
Official Realme documented guide #2042393
Related Topics
#Fn function#function key realme ...#Customize Fn key realme Book#Fn key settings realme Book
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