<SEC-DOCUMENT>0001628280-22-023435.txt : 20220822
<SEC-HEADER>0001628280-22-023435.hdr.sgml : 20220822
<ACCEPTANCE-DATETIME>20220822175035
ACCESSION NUMBER:		0001628280-22-023435
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220819
FILED AS OF DATE:		20220822
DATE AS OF CHANGE:		20220822

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SZABO GREGORY J
		CENTRAL INDEX KEY:			0001255114

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35525
		FILM NUMBER:		221184663

	MAIL ADDRESS:	
		STREET 1:		51 COLUMBIA
		STREET 2:		SUITE 200
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SMITH MICRO SOFTWARE, INC.
		CENTRAL INDEX KEY:			0000948708
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				330029027
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5800 CORPORATE DRIVE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15237
		BUSINESS PHONE:		4128375300

	MAIL ADDRESS:	
		STREET 1:		5800 CORPORATE DRIVE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15237

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SMITH MICRO SOFTWARE, INC
		DATE OF NAME CHANGE:	20181023

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SMITH MICRO SOFTWARE INC
		DATE OF NAME CHANGE:	19950731
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_166120501720883.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-08-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000948708</issuerCik>
        <issuerName>SMITH MICRO SOFTWARE, INC.</issuerName>
        <issuerTradingSymbol>SMSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001255114</rptOwnerCik>
            <rptOwnerName>SZABO GREGORY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5800 CORPORATE DR.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15237</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-08-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.2932</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>174000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares were acquired in a series of transactions at a range of prices with a weighted average of $2.2932 per share. The reporting person undertakes to provide to Smith Micro Software, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within such range.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer M. Reinke, Attorney in Fact for Gregory J. Szabo</signatureName>
        <signatureDate>2022-08-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
