Onyx Boox Poke5P User Manual page 76

System full screen refresh frequency
The system performs one full refresh every 5 operations
The Library and Notes will be automatically refreshed once
more due to the loading list, and the actual number of
operations will be one less than the set number;
Function Area display icons only
The text under the Function icon can be hidden.
Enable Book Store
The built-in book store can be turned off, but cannot be
uninstalled or removed.