

<!-- Generated by Fujitsu XWand B0150 -->
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  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="sncr-20110630_pre.xml" xlink:title="Presentation Linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="sncr-20110630_cal.xml" xlink:title="Calculation Linkbase" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="sncr-20110630_def.xml" xlink:title="Definition Linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="sncr-20110630_lab.xml" xlink:title="Label Linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:roleType roleURI="http://www.synchronoss.com/role/BalanceSheet" id="BalanceSheet">
        <link:definition>0010 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/BalanceSheetParenthetical" id="BalanceSheetParenthetical">
        <link:definition>0015 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>9999 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/StatementOfIncome" id="StatementOfIncome">
        <link:definition>0020 - Statement - CONSOLIDATED STATEMENTS OF INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/CashFlows" id="CashFlows">
        <link:definition>0030 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureDescriptionOfBusiness" id="DisclosureDescriptionOfBusiness">
        <link:definition>1010 - Disclosure - Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureBasisOfPresentation" id="DisclosureBasisOfPresentation">
        <link:definition>1020 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureRecentAccountingPronouncements" id="DisclosureRecentAccountingPronouncements">
        <link:definition>8000 - Disclosure - Recent Accounting Pronouncements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureEarningsPerCommonShare" id="DisclosureEarningsPerCommonShare">
        <link:definition>1030 - Disclosure - Earnings per Common Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureComprehensiveIncome" id="DisclosureComprehensiveIncome">
        <link:definition>1040 - Disclosure - Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureFairValueMeasurementsOfAssetsAndLiabilities" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilities">
        <link:definition>1050 - Disclosure - Fair Value Measurements of Assets and Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureAcquisition" id="DisclosureAcquisition">
        <link:definition>1060 - Disclosure - Acquisition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureStockholdersEquity" id="DisclosureStockholdersEquity">
        <link:definition>1070 - Disclosure - Stockholders&#8217; Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>8020 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureCapitalTransactions" id="DisclosureCapitalTransactions">
        <link:definition>8010 - Disclosure - Capital Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureLegalMatters" id="DisclosureLegalMatters">
        <link:definition>1080 - Disclosure - Legal Matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.synchronoss.com/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>1090 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  </xsd:annotation>
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xsd:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xsd:import namespace="http://fasb.org/us-gaap/2011-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/dei/2011-01-31" schemaLocation="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xsd:element name="DocumentAndEntityInformationAbstract" id="sncr_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="LeasedFacilityAccruedNoncashInterest" id="sncr_LeasedFacilityAccruedNoncashInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NoncashIncreaseInBuildingAndRelatedLeaseLiability" id="sncr_NoncashIncreaseInBuildingAndRelatedLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="IssuanceOfCommonStockInConnectionWithAcquisition" id="sncr_IssuanceOfCommonStockInConnectionWithAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="IncreaseDecreaseInBusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsideration" id="sncr_IncreaseDecreaseInBusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="IncreaseDecreaseInLeaseObligation" id="sncr_IncreaseDecreaseInLeaseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="RecentAccountingPronouncementsDisclosureAbstract" id="sncr_RecentAccountingPronouncementsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="CapitalTransactionsDisclosureAbstract" id="sncr_CapitalTransactionsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="CapitalTransactionsDisclosureTextBlock" id="sncr_CapitalTransactionsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RecentAccountingPronouncementsDisclosureTextBlock" id="sncr_RecentAccountingPronouncementsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DescriptionOfBusinessDisclosureAbstract" id="sncr_DescriptionOfBusinessDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ShareBasedPaymentsAndTreasuryStockDisclosureTextBlock" id="sncr_ShareBasedPaymentsAndTreasuryStockDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DepreciationDepletionAndAmortizationExcludingBondPremiums" id="sncr_DepreciationDepletionAndAmortizationExcludingBondPremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="PaymentsOnContingentConsideration" id="sncr_PaymentsOnContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="InterestAndOtherExpenses" id="sncr_InterestAndOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
</xsd:schema>





