Hi there, 

To disable your phone number, you can follow the steps below:
 

#1. If your old phone number is still available, please reach our live support to verify your identity.
 

#2. If your old phone number is no longer available but you have a registered email :

Step 1. Please write the following statement on the note: 

My full name is XXX, my Matrixport account is XXXXX (registered email or phone number). I decide to apply for account security operation at "Year/Month/Date".  Now I need to disable my Matrixport account phone number: XXXXXXXX. Once my application is approved and my phone number is disabled, Matrixport is not responsible for any consequences the operation caused. I will take full responsibility.

Friendly Reminder:

1*Your signature and date are also required. (Your signature can be your full name but must be clear and matches with your full name provided in the text)

2*Statement note required can be printed out but must be in accordance to the statement provided by Matrixport as above.

Step 2. Please prepare a photo of your ID document (which you used for KYC2) and a selfie with a note.

Please refer to the photo below for reference.
 

All the required document, please send us via your registered Matrixport email to support@matrixport.com. 

Feel free to let us know if you need assistance. 

Notice: If you already bound an email to your account, you can log in to your account via email.