<SEC-DOCUMENT>0001209191-23-048940.txt : 20230911
<SEC-HEADER>0001209191-23-048940.hdr.sgml : 20230911
<ACCEPTANCE-DATETIME>20230911164850
ACCESSION NUMBER:		0001209191-23-048940
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230907
FILED AS OF DATE:		20230911
DATE AS OF CHANGE:		20230911

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GEESLIN KEITH
		CENTRAL INDEX KEY:			0001196198

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49602
		FILM NUMBER:		231248304

	MAIL ADDRESS:	
		STREET 1:		C/O FRANCISCO PARTNERS
		STREET 2:		ONE LETTERMAN DRIVE, BLDG. C, STE. 410
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNAPTICS Inc
		CENTRAL INDEX KEY:			0000817720
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770118518
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0626

	BUSINESS ADDRESS:	
		STREET 1:		1109 MCKAY DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131-1706
		BUSINESS PHONE:		408-904-1100

	MAIL ADDRESS:	
		STREET 1:		1109 MCKAY DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131-1706

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SYNAPTICS INC
		DATE OF NAME CHANGE:	20010216
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-09-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000817720</issuerCik>
        <issuerName>SYNAPTICS Inc</issuerName>
        <issuerTradingSymbol>SYNA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196198</rptOwnerCik>
            <rptOwnerName>GEESLIN KEITH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FRANCISCO PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LETTERMAN DRIVE, BLDG. C, STE. 410</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94129</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-09-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>52.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>32746</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option ( Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>52.57</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-09-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-10-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2900</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1/12th of the total number of shares subject to the option vested and became exercisable on the 28th day of each month following the October 28, 2016 date of grant, until fully vested on October 28, 2017.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kermit Nolan, as attorney-in-fact</signatureName>
        <signatureDate>2023-09-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
