How to join the ELFINBOOK Premium?
How do I confirm that I have activated the ELFINBOOK Premium?
How is the validity period of a Premium calculated?
I have repeated the purchase of Premium twice.
How do I cancel Premium subscription?
What is auto renewal and non-auto renewal?
Would cloud space data be deleted when my premium expires?
How do I buy cloud space?
What features are included in the Premium service?
How much is the cloud space for Basic users and Premium?
I have repeated the purchase of Premium twice.
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