Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-202176) and in the Registration Statements on Form S-3 (Nos. 333-210920 and 333-210918) of T-Mobile US, Inc. of our report dated February 14, 2017 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.