I want to change my password in CubePlus, how can I do it?

Mobile:

Log in to CubePlus.
Tap on your “User ID”
Select “Account”
Select “Settings.”
Click on “Change Password.”
Enter your Old Password. What do I do in case I dont remember my old password?
Input your New Password.
Confirm by re-entering the new password.
Finally, click on “Change Password.”

Web:

Log in to CubePlus.
Tap on “User ID”
Click on “Settings.”
Under Security, select “Change Password.”
Enter your Old Password.
Input your New Password.
Confirm by re-entering the new password.
Click on “Submit.”

Note:
What is the policy regarding client passwords at Tradejini?