Sorry about your loss Neutze,
I'm glad to hear you were able to update your email. Please sign in and follow this instructions to update the phone number.
To change your phone number in TurboTax, sign into your account and go here:
- My Account.
- Account Settings
This will open the Review and edit your account info page, where you can update your User ID, password, name, email, security question/answer, billing/shipping info, and payment information.
If you want to change the phone number on your Tax Return, you can go to the Personal Info tab and change your number there.