Ownership Submission
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 *
Keys Thomas Christopher
   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)
Pres., T-Mobile Ind. Channels
(Last)
(First)
(Middle)
C/O T-MOBILE US, INC., 12920 SE 38TH STREET		 3. Date of Earliest Transaction (Month/Day/Year)
03/23/2017
(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 03/23/2017   M(1)   18,600 A $ 55.43 372,718 D  
Common Stock 03/23/2017   S(1)   18,600 D $ 63.5181 (2) 354,118 D  
Common Stock 03/24/2017   M(1)   81,400 A $ 55.43 435,518 D  
Common Stock 03/24/2017   S(1)   81,400 D $ 64.3223 (4) 354,118 D  

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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) $ 55.43 03/23/2017   M(1)     18,600   (3) 08/08/2017 Common Stock 18,600 $ 0 81,400 D  
Stock Option (Right to Buy) $ 55.43 03/24/2017   M(1)     81,400   (3) 08/08/2017 Common Stock 81,400 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Keys Thomas Christopher
C/O T-MOBILE US, INC.
12920 SE 38TH STREET
BELLEVUE, WA 98006		       Pres., T-Mobile Ind. Channels  

Signatures

 /s/ Sarah E. Mock, Attorney-in-Fact   03/24/2017
**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) The transactions reported here were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 13, 2015.
(2) The price shown is a weighted average sales price. The shares were sold at prices ranging from $63.50 to $63.595 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(3) The option was granted on August 8, 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 Global Holding GmbH, T-Mobile USA Inc. and MetroPCS Communications, Inc. pursuant to the terms of an equity plan of MetroPCS Communications, Inc.
(4) The price shown is a weighted average sales price. The shares were sold at prices ranging from $64.15 to $64.74 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

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