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When contacting Midphase, you will need to provide our technical support staff with verification that you are the owner of the account you are trying to make changes to. This can be done in one of three ways. The best and easiest way is by giving us your telephone support PIN before making and changes. You can find your personal identification number (PIN) by logging into your CHI account at chi.midphase.com.

You can find your unique support PIN by following the steps below:


Log into your CHI account with your username and password. Click on the ‘Support’ option in your account menu in the top right-hand corner of the page.



You can find your support PIN on the right-hand side located below our department opening times, in blue text as seen below.



If at any time you would like to change your PIN so that it is easier for you to remember, you can use the ‘Change’ link to the right of your PIN.

Midphase Billing, Sales and Support teams will ask you for your PIN number when asking for account-specific information or if you are requesting any changes be made to your account during a phone call, live chat or email ticket.