This Amendment No. 11 (this “Amendment No. 11”) to the Schedule 13D filed with the U.S. Securities and Exchange Commission (the “Commission”) on May 10, 2013, as amended and supplemented by Amendment No. 1 to Schedule 13D filed with the Commission on November 26, 2013, Amendment No. 2 to Schedule 13D filed with the Commission on January 15, 2014, Amendment No. 3 to Schedule 13D filed with the Commission on March 6, 2018, Amendment No. 4 to Schedule 13D filed with the Commission on April 30, 2018, Amendment No. 5 to Schedule 13D filed with the Commission on July 26, 2019, Amendment No. 6 to Schedule 13D filed with the Commission on February 20, 2020, Amendment No. 7 to Schedule 13D filed with the Commission on April 2, 2020, Amendment No. 8 to Schedule 13D filed with the Commission on June 15, 2020, Amendment No. 9 to Schedule 13D filed with the Commission on June 24, 2020, and Amendment No. 10 to Schedule 13D filed with the Commission on June 26, 2020 (as amended and supplemented, collectively, this “Schedule 13D”), is being filed by Deutsche Telekom AG, a stock corporation (Aktiengesellschaft) organized under the laws of the Federal Republic of Germany (“Deutsche Telekom”), T-Mobile Global Zwischenholding GmbH, a limited liability company (Gesellschaft mit beschränkter Haftung) organized under the laws of the Federal Republic of Germany and a direct wholly owned subsidiary of Deutsche Telekom (“T-Mobile Global”), T-Mobile Global Holding GmbH, a limited liability company (Gesellschaft mit beschränkter Haftung) organized under the laws of the Federal Republic of Germany and a direct wholly owned subsidiary of T-Mobile Global (“T-Mobile Holding”), and Deutsche Telekom Holding B.V., a limited liability company (besloten vennootschap met beperkte aansprakelijkheid) organized under the laws of the Netherlands and a direct wholly owned subsidiary of T-Mobile Holding (“DT Holding” and, together with Deutsche Telekom, T-Mobile Global and T-Mobile Holding, the “Reporting Persons”, and each, a “Reporting Person”), pursuant to Section 13(d) of the Exchange Act, and Rule 13d-2(a) thereunder, with respect to the shares of common stock, par value $0.00001 per share (the “Common Stock”), of T-Mobile US, Inc., a Delaware corporation (the “Issuer” or “T-Mobile”).

The Reporting Persons are party to certain agreements with the Separately Filing Group Members and the Claure Parties, which agreements contain, among other things, certain voting agreements and transfer and other restrictions. As a result, the Reporting Persons may be deemed to be members of a “group” within the meaning of Section 13(d)(3) of the Exchange Act, comprised of the Reporting Persons, the Separately Filing Group Members and the Claure Parties.

Except as set forth below, all Items of this Schedule 13D, as amended prior to the date hereof, are materially unchanged. Capitalized terms used in this Amendment No. 11 and not otherwise defined shall have the respective meanings assigned to such terms in this Schedule 13D.

This Item 5 is hereby amended and supplemented as follows:

(a)-(b) The information contained in the cover pages of this Schedule 13D and the information set forth in Item 6 of this Schedule 13D is incorporated herein by reference.

As of the date hereof, the Reporting Persons in the aggregate may be deemed to beneficially own 649,882,564 shares of Common Stock, which represent approximately 52.5% of the shares of Common Stock outstanding as of June 22, 2020, as reported by the Issuer in its Prospectus Supplement, filed with the Commission on June 24, 2020. This includes (i) 538,590,941 shares of Common Stock held by DT Holding, (ii) based solely on the information contained in the Schedule 13D filed by the Separately Filing Group Members, as set forth in Schedule B, an additional 106,291,623 shares of Common Stock beneficially owned by the Separately Filing Group Members (of which 44,905,479 of such shares of Common Stock are subject to call options granted by T-Mobile Agent to Deutsche Telekom, with matching call options granted by Project 6 to T-Mobile Agent, and 56,586,144 of such shares of Common Stock are subject to call options granted by Project 6 to Deutsche Telekom), which is calculated after taking into account the expected sale of 19,750,000 shares of Common Stock by SBGC to T-Mobile on or about August 3, 2020 in connection with the Rights Offering, and (iii) based solely on the information contained in the Schedule 13D filed by the Claure Parties, as set forth in Schedule B, an additional 5,000,000 shares of Common Stock beneficially owned by the Claure Parties.

On June 30, 2020, Ms. Michaela Klitsch, a Managing Director of T-Mobile Holding, acquired 49 shares of Common Stock. Following such acquisition, Ms. Michaela Klitsch beneficially owns 97 shares of Common Stock, which represents less than 0.01% of the shares of Common Stock issued and outstanding as of June 22, 2020, as reported by the Issuer in its Prospectus Supplement, filed with the Commission on June 24, 2020. To the best knowledge of the Reporting Persons, Ms. Michaela Klitsch has the sole power to vote or direct the vote or dispose or direct the disposition of all of the shares of Common Stock beneficially owned by her.

(c) The Master Framework Agreement contemplated that, following the receipt of necessary regulatory approvals, T-Mobile would sell to Claure Mobile 5,000,000 shares of Common Stock (the “Claure Shares”), at the same price per share as the Common Stock sold in the First Public Equity Offering (the “Claure Purchase”), which would occur simultaneously with the purchase by T-Mobile of 5,000,000 shares of Common Stock from SBGC at an equivalent price pursuant to the Share Repurchase Agreement. The necessary regulatory approvals having been obtained, the Claure Purchase was consummated on July 16, 2020 at a price of $103.00 per share of Common Stock. As such, the Claure Shares are no longer held by SBGC and subject to the Proxy, but are now held by Claure Mobile and subject to the Claure Proxy. No change in the aggregate beneficial ownership or voting power of the Reporting Persons occurred as a result of the Claure Purchase.

On June 26, 2020, pursuant to the Rights Offering, T-Mobile distributed registered, transferable subscription rights to its existing stockholders, which provided each such stockholder with the right to purchase, until 5:00 p.m. Eastern Time on July 27, 2020, one share of Common Stock for every 20 shares of Common Stock that it owned as of 5:00 p.m. Eastern Time on June 25, 2020, at the same price per share as the Common Stock sold in the Initial Public Equity Offering. On July 28, 2020, T-Mobile announced that, upon expiration of the subscription period on July 27, 2020, the Rights Offering was oversubscribed. On or about August 3, 2020, T-Mobile will sell an aggregate of 19,750,000 shares of Common Stock at the subscription price of $103.00, pursuant to the exercise of the basic subscription rights and over-subscription rights in the Rights Offering. In accordance with the Share Repurchase Agreement, T-Mobile will use the net proceeds of the Rights Offering to purchase an equal number of shares of Common Stock from SBGC. Concurrently with the foregoing sale, such 19,750,000 shares of Common Stock will be released from the Proxy.

As previously noted in this Item 5, on June 30, 2020, Ms. Michaela Klitsch, a Managing Director of T-Mobile Holding, acquired 49 shares of Common Stock.

This Item 6 is hereby amended and supplemented as follows:

The information contained in part (c) of Item 5 of this Schedule 13D is incorporated herein by reference.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.