<SEC-DOCUMENT>0001283699-25-000071.txt : 20250403
<SEC-HEADER>0001283699-25-000071.hdr.sgml : 20250403
<ACCEPTANCE-DATETIME>20250403163646
ACCESSION NUMBER:		0001283699-25-000071
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250401
FILED AS OF DATE:		20250403
DATE AS OF CHANGE:		20250403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Katz Michael J.
		CENTRAL INDEX KEY:			0001867492
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33409
		FILM NUMBER:		25810160

	MAIL ADDRESS:	
		STREET 1:		C/O T-MOBILE US, INC.
		STREET 2:		12920 SE 38TH STREET
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98006-1350

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			T-Mobile US, Inc.
		CENTRAL INDEX KEY:			0001283699
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO TELEPHONE COMMUNICATIONS [4812]
		ORGANIZATION NAME:           	06 Technology
		EIN:				200836269
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12920 SE 38TH STREET
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98006
		BUSINESS PHONE:		800-318-9270

	MAIL ADDRESS:	
		STREET 1:		12920 SE 38TH STREET
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	METROPCS COMMUNICATIONS INC
		DATE OF NAME CHANGE:	20040315
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1743712585.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-04-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001283699</issuerCik>
        <issuerName>T-Mobile US, Inc.</issuerName>
        <issuerTradingSymbol>TMUS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001867492</rptOwnerCik>
            <rptOwnerName>Katz Michael J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O T-MOBILE US, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>12920 SE 38TH STREET</rptOwnerStreet2>
            <rptOwnerCity>BELLEVUE</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98006</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Pres, Mkting Stgy &amp; Prods</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22880</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>163702.521</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the minimum number of performance-based restricted stock units (PRSUs) awarded to the reporting person under the issuer's 2023 Incentive Award Plan (the Plan), which is equal to 80% of the target grant. The PRSUs will vest in full on April 1, 2028, and additional restricted stock units may be earned based on the achievement of certain performance metrics subject to the terms of the Plan and such award.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Frederick Williams, Attorney-in-Fact</signatureName>
        <signatureDate>2025-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
