FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Carter J Braxton II   2. Issuer Name and Ticker or Trading Symbol T-Mobile US, Inc. [TMUS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & CFO (Last) (First) (Middle) C/O T-MOBILE US, INC., 12920 SE 38TH STREET 3. Date of Earliest Transaction (Month/Day/Year) 04/17/2017 (Street) BELLEVUE, WA 98006 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/17/2017   M   500 A $ 37.91 179,068 (1) D   Common Stock 04/17/2017   F   380 (2) D $ 64.94 178,688 (1) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$ 37.91

04/17/2017

M

500

04/30/2013(3)

04/18/2017

Common Stock

500

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Carter J Braxton II C/O T-MOBILE US, INC. 12920 SE 38TH STREET BELLEVUE, WA 98006			EVP & CFO

Signatures

/s/ Sarah E. Mock, Attorney-in-Fact		04/19/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Since the date of the reporting person's last ownership report, he transferred 18,315 shares to his former spouse pursuant to a domestic relations order.
(2)	Mr. Carter tendered by attestation 380 shares of common stock already owned by him in order to exercise his stock options for 500 shares, thus increasing his ownership by a net of 120 shares.
(3)	The option was granted on April 18, 2007. To the extent not already vested as of April 30, 2013, the vesting of this option was accelerated in connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of October 3, 2012 and amended as of April 14, 2013, among Deutsche Telekom AG, T-Mobile Global Zwischenholding GmbH, T-Mobile USA Inc. and MetroPCS Communications, Inc. pursuant to the terms of an equity plan of MetroPCS Communications, Inc. The option was fully vested and would have expired on April 18, 2017.

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