maktar Qubii Duo User Manual page 16

Note:
When your Android phone is locked, Qubii Duo will back up
in the background automatically.
When your smartphone is not locked, Qubii Pro App will turn
on automatically when you connect your phone with Qubii
Duo. You will then see a pop up message asking you if you
would like to backup now.
For more information, see this article in the Help Center.
Qubii Duo
User Manual 16