Add Trusted Phone to iTunes account
If you have an apple account, go to this link to sign in: https://appleid.apple.com/
You will be taken to the 2 way verification step, press “did not get a verification code?”
Choose “use phone number”
Choose your phone number.
Add in the verification code and once you access your account, select “edit” in the security section.
Select “ Add a trusted phone number”
Choose the country or region and add in the phone number.
Press the “Done” button when you have finished.