Onyx Poke5 BOOX User Manual page 23

Account Management
You can bind and unbind the Cloud
Storage accounts under
Settings/Accounts (Other
Accounts)
If you unbind a Cloud Storage
account, downloaded books will no
longer be available in the
Library. However, you can continue to use them after
rebinding the same account.
Bind WebDAV
Regarding the binding of WebDAV
accounts, please refer to the binding
process introduction on the websites
of each Cloud Storage. Different