Follow these instructions to change your phone number in your account:

  1. Sign in to your account normally with your username, password, and two-factor authentication (2FA) code from your old number
  2. Access the Settings
  3. Choose Profile (or Personal in the mobile app)
  4. Enter your new phone number and save it. 
Warning: For your protection, all transactions into or out of your account will be restricted for 48 hours after your phone number is changed. This includes withdrawals, deposits, transfers, and spending. However, you may still buy and sell cryptocurrency.