- Check if you can see the Qubii wording in the iPhone setting.
How do I know if my Qubii is defective or not?
If your Qubii can connect with a different iPhone or iPad and can be detected by a computer, that means your Qubii is not defective but there may be a problem with your iPhone. (See how to fix IPSW issue)
the icon in the top left corner of the screen