Migrating to paperless billing

https://c2.t-mobile.com/accounts/paperless-billing

From October 16 – November 29, T-Mobile is moving select Consumer customers to paperless billing. Affected customers are being notified via SMS and no action is required unless they want to switch back to a paper bill.

Customers wanting to switch back to paper billing after migration can sign into My T-Mobile or the T-Mobile app and update to paper billing.