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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IxuMdvMP6/nTKHUjISGSoEoZCx9EZyhhoLwwSyGlsjTZZ9U+JNPx2hsxavSRJTiw
 BpD7A4hmkbILdJNASiSIaQ==

<SEC-DOCUMENT>0001209191-03-028210.txt : 20031103
<SEC-HEADER>0001209191-03-028210.hdr.sgml : 20031103
<ACCEPTANCE-DATETIME>20031103163442
ACCESSION NUMBER:		0001209191-03-028210
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031030
FILED AS OF DATE:		20031103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH WILLIAM W JR
		CENTRAL INDEX KEY:			0001251368

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26536
		FILM NUMBER:		03973384

	MAIL ADDRESS:	
		STREET 1:		51 COLUMBIA
		CITY:			ALISOVIEJO
		STATE:			CA
		ZIP:			92656

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH RHONDA L
		CENTRAL INDEX KEY:			0001251689

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26536
		FILM NUMBER:		03973383

	MAIL ADDRESS:	
		STREET 1:		51 COLUMBIA
		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:		51 COLUMBIA
		STREET 2:		STE 200
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656
		BUSINESS PHONE:		7143625800

	MAIL ADDRESS:	
		STREET 1:		51 COLUMBIA
		STREET 2:		STE 200
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-10-30</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000948708</issuerCik><issuerName>SMITH MICRO SOFTWARE INC</issuerName>        <issuerTradingSymbol>SMSI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001251368</rptOwnerCik><rptOwnerName>SMITH WILLIAM W JR</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>51 Columbia</rptOwnerStreet1><rptOwnerStreet2>Suite 200</rptOwnerStreet2><rptOwnerCity>Aliso Viejo</rptOwnerCity><rptOwnerState>CA</rptOwnerState><rptOwnerZipCode>92656</rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther><officerTitle>President &amp; CEO</officerTitle></reportingOwnerRelationship></reportingOwner><reportingOwner><reportingOwnerId><rptOwnerCik>00
01251689</rptOwnerCik><rptOwnerName>SMITH RHONDA L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>51 COLUMBIA</rptOwnerStreet1><rptOwnerStreet2>SUITE 200</rptOwnerStreet2><rptOwnerCity>ALISO VIEJO</rptOwnerCity><rptOwnerState>CA</rptOwnerState><rptOwnerZipCode>92656</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice Chairman/Sec/Treasurer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-30</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><valu
e></value></transactionTimeliness><transactionAmounts><transactionShares><value>49500</value></transactionShares><transactionPricePerShare><value>2.995</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>9174670</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value><footnoteId id="F1" /></directOrIndirectOwnership><natureOfOwnership><value>Smith Family Trust</value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Thes securities are indirectly owned by William W. Smith Jr., a director, officer and 10% owner of the issuer, and Rhonda L. Smith, a director, officer and 10% owner of the issuer.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Diane Gulling, Attorney in Fact for William W. Smith, Jr. and
 Rhonda L. Smith</signatureName><signatureDate>2003-11-03</signatureDate></ownerSignature><ownerSignature><signatureName>Diane Gulling, attorney in fact for Rhonda L. Smith</signatureName><signatureDate>2003-11-03</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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