If one or more of the following 6 options are true then you can't choose None as a payment method then the Billing information is needed . The "None" option will not appear...
- If you have an unpaid balance or payment due
- If you have a subscription that automatically renews
- If you're using the iTunes Store or App Store for the first time
- If you are not in the country or region you’re creating an Apple ID for
- If you changed your country or region
- If you're a part of Family Sharing
Based on your country of residence and country you have selected under your Apple ID --> Payment methods that you can use with your Apple ID - Apple ...
Have you a Debit/Credit card that is issued to you that is valid internationally and is from the same Country / Region as your Apple ID.
Know it here --> If your payment method is declined in the App Store or iTunes ...
Check the following
- The payment method that you are adding is of the same country as that of App Store Country on your iPhone
- You have a valid payment plan debit/credit card from an authorised bank from the same country
- Payment methods that you can use with your Apple ID - Apple Support
- Learn more about family purchases and payments.
- Please check if your Debit/Credit card is valid internationally
If you can't download, make purchases or update apps, including free apps, you need to update your payment method or add a new one. If you already verified that a payment method is available in your country or region and you're still having trouble, learn more.