When you create a new password, make sure that it's at least 6 characters long. Try to use a complex combination of numbers, letters and punctuation marks. Make the password strong enough by mixing together uppercase and lowercase letters or making the password longer then 6 characters.
The password you create should be easy for you to remember but hard for someone else to figure out. For extra security, your iQO2 password should be different than other passwords that you use to log into other places, like your email or bank account.