

<!--XBRL document created with Merrill Bridge  6.1.177.0 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/10/2016 3:49:07 PM-->
<!--Modified on: 5/10/2016 3:49:07 PM-->
<xsd:schema xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:attributeFormDefault="unqualified" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:sncr="http://www.synchronoss.com/20160331" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:country="http://xbrl.sec.gov/country/2013-01-31" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" targetNamespace="http://www.synchronoss.com/20160331" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:dei="http://xbrl.sec.gov/dei/2014-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2015-01-31" xmlns:us-types="http://fasb.org/us-types/2015-01-31" xmlns:us-roles="http://fasb.org/us-roles/2015-01-31" xmlns:negated="http://www.xbrl.org/2009/role/negated">
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.synchronoss.com/role/StatementCondensedConsolidatedBalanceSheets" id="StatementCondensedConsolidatedBalanceSheets">
        <link:definition>00100 - Statement - CONDENSED 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/StatementCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncome" id="StatementCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncome">
        <link:definition>00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND 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/StatementCondensedConsolidatedStatementsOfCashFlows" id="StatementCondensedConsolidatedStatementsOfCashFlows">
        <link:definition>00300 - Statement - CONDENSED 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/DisclosureEarningsPerCommonShareDetails" id="DisclosureEarningsPerCommonShareDetails">
        <link:definition>40301 - Disclosure - Earnings per Common Share (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesHeirarchyDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesHeirarchyDetails">
        <link:definition>40401 - Disclosure - Fair Value Measurements of Assets and Liabilities - Heirarchy (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesDetails">
        <link:definition>40402 - Disclosure - Fair Value Measurements of Assets and Liabilities - AFS Securities (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesInUnrealizedLossPositionDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesInUnrealizedLossPositionDetails">
        <link:definition>40403 - Disclosure - Fair Value Measurements of Assets and Liabilities - AFS Securities in Unrealized Loss Position (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesExpectedMaturitiesDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesAfsSecuritiesExpectedMaturitiesDetails">
        <link:definition>40404 - Disclosure - Fair Value Measurements of Assets and Liabilities - AFS Securities Expected Maturities (Details)</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/DisclosureAcquisition2016AcquisitionsOpenwaveDetails" id="DisclosureAcquisition2016AcquisitionsOpenwaveDetails">
        <link:definition>40501 - Disclosure - Acquisition - 2016 Acquisitions - Openwave (Details)</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/DisclosureAccumulatedOtherComprehensiveIncomeLossComprehensiveIncomeDetails" id="DisclosureAccumulatedOtherComprehensiveIncomeLossComprehensiveIncomeDetails">
        <link:definition>40701 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Comprehensive Income (Details)</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/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" id="DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails">
        <link:definition>40702 - Disclosure - Accumulated Other Comprehensive Income - Changes in AOCI (Details)</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/DisclosureGoodwillAndIntangiblesIntangibleAssetsDetails" id="DisclosureGoodwillAndIntangiblesIntangibleAssetsDetails">
        <link:definition>40802 - Disclosure - Goodwill and Intangibles - Intangible Assets (Details)</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/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>00090 - 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/StatementCondensedConsolidatedBalanceSheetsParenthetical" id="StatementCondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>00105 - Statement - CONDENSED 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/DisclosureDescriptionOfBusiness" id="DisclosureDescriptionOfBusiness">
        <link:definition>10101 - 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/DisclosureBasisOfPresentationAndConsolidation" id="DisclosureBasisOfPresentationAndConsolidation">
        <link:definition>10201 - Disclosure - Basis of Presentation and Consolidation</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>10301 - 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/DisclosureFairValueMeasurementsOfAssetsAndLiabilities" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilities">
        <link:definition>10401 - 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>10501 - 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>10601 - Disclosure - Stockholders' 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/DisclosureAccumulatedOtherComprehensiveIncome" id="DisclosureAccumulatedOtherComprehensiveIncome">
        <link:definition>10701 - Disclosure - Accumulated Other 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/DisclosureGoodwillAndIntangibles" id="DisclosureGoodwillAndIntangibles">
        <link:definition>10801 - Disclosure - Goodwill and Intangibles</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/DisclosureDebt" id="DisclosureDebt">
        <link:definition>10901 - Disclosure - Debt</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/DisclosureRestructuringCharges" id="DisclosureRestructuringCharges">
        <link:definition>11001 - Disclosure - Restructuring Charges</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>11101 - 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/DisclosureSubsequentEventsReview" id="DisclosureSubsequentEventsReview">
        <link:definition>11201 - Disclosure - Subsequent Events Review</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/DisclosureBasisOfPresentationAndConsolidationPolicies" id="DisclosureBasisOfPresentationAndConsolidationPolicies">
        <link:definition>20201 - Disclosure - Basis of Presentation and Consolidation (Policies)</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/DisclosureEarningsPerCommonShareTables" id="DisclosureEarningsPerCommonShareTables">
        <link:definition>30303 - Disclosure - Earnings per Common Share (Tables)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesTables" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesTables">
        <link:definition>30401 - Disclosure - Fair Value Measurements of Assets and Liabilities (Tables)</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/DisclosureAcquisitionTables" id="DisclosureAcquisitionTables">
        <link:definition>30501 - Disclosure - Acquisition (Tables)</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/DisclosureStockholdersEquityTables" id="DisclosureStockholdersEquityTables">
        <link:definition>30601 - Disclosure - Stockholders' Equity (Tables)</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/DisclosureAccumulatedOtherComprehensiveIncomeTables" id="DisclosureAccumulatedOtherComprehensiveIncomeTables">
        <link:definition>30701 - Disclosure - Accumulated Other Comprehensive Income (Tables)</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/DisclosureGoodwillAndIntangiblesTables" id="DisclosureGoodwillAndIntangiblesTables">
        <link:definition>30801 - Disclosure - Goodwill and intangibles (Tables)</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/DisclosureRestructuringChargesTables" id="DisclosureRestructuringChargesTables">
        <link:definition>31001 - Disclosure - Restructuring Charges (Tables)</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/DisclosureBasisOfPresentationAndConsolidationNewAccountingPronouncementsDetails" id="DisclosureBasisOfPresentationAndConsolidationNewAccountingPronouncementsDetails">
        <link:definition>40201 - Disclosure - Basis of Presentation and Consolidation - New Accounting Pronouncements (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesLevel3ContingentConsiderationDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesLevel3ContingentConsiderationDetails">
        <link:definition>40405 - Disclosure - Fair Value Measurements of Assets and Liabilities - Level 3 Contingent Consideration (Details)</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/DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesLevel3RedeemableNoncontrollingInterestsDetails" id="DisclosureFairValueMeasurementsOfAssetsAndLiabilitiesLevel3RedeemableNoncontrollingInterestsDetails">
        <link:definition>40406 - Disclosure - Fair Value Measurements of Assets and Liabilities - Level 3 Redeemable Noncontrolling Interests (Details)</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/DisclosureStockholdersEquityStockBasedCompensationDetails" id="DisclosureStockholdersEquityStockBasedCompensationDetails">
        <link:definition>40601 - Disclosure - Stockholders&#x2019; Equity - Stock-based compensation (Details)</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/DisclosureStockholdersEquityBlackScholesAssumptionsDetails" id="DisclosureStockholdersEquityBlackScholesAssumptionsDetails">
        <link:definition>40602 - Disclosure - Stockholders&#x2019; Equity - Black-Scholes Assumptions (Details)</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/DisclosureStockholdersEquityStockOptionsDetails" id="DisclosureStockholdersEquityStockOptionsDetails">
        <link:definition>40603 - Disclosure - Stockholders' Equity - Stock Options (Details)</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/DisclosureStockholdersEquityRestrictedStockDetails" id="DisclosureStockholdersEquityRestrictedStockDetails">
        <link:definition>40604 - Disclosure - Stockholders' Equity - Restricted Stock (Details)</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/DisclosureStockholdersEquityEsppAndOtherDisclosuresDetails" id="DisclosureStockholdersEquityEsppAndOtherDisclosuresDetails">
        <link:definition>40605 - Disclosure - Stockholders&#x2019; Equity - ESPP and Other Disclosures (Details)</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/DisclosureStockholdersEquityTreasuryStockDetails" id="DisclosureStockholdersEquityTreasuryStockDetails">
        <link:definition>40606 - Disclosure - Stockholders' Equity - Treasury Stock (Details)</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/DisclosureGoodwillAndIntangiblesGoodwillDetails" id="DisclosureGoodwillAndIntangiblesGoodwillDetails">
        <link:definition>40801 - Disclosure - Goodwill and Intangibles- Goodwill (Details)</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/DisclosureGoodwillAndIntangiblesIntangibleAssetsFutureAmortizationDetails" id="DisclosureGoodwillAndIntangiblesIntangibleAssetsFutureAmortizationDetails">
        <link:definition>40803 - Disclosure - Goodwill and Intangibles - Intangible Assets - Future Amortization (Details)</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/DisclosureDebtCreditFacilityDetails" id="DisclosureDebtCreditFacilityDetails">
        <link:definition>40901 - Disclosure - Debt - Credit Facility (Details)</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/DisclosureDebtConvertibleSeniorNotesDetails" id="DisclosureDebtConvertibleSeniorNotesDetails">
        <link:definition>40902 - Disclosure - Debt - Convertible Senior Notes (Details)</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/DisclosureRestructuringChargesDetails" id="DisclosureRestructuringChargesDetails">
        <link:definition>41001 - Disclosure - Restructuring Charges (Details)</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/DisclosureLegalMattersDetails" id="DisclosureLegalMattersDetails">
        <link:definition>41101 - Disclosure - Legal Matters (Details)</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/DisclosureSubsequentEventsReviewDetails" id="DisclosureSubsequentEventsReviewDetails">
        <link:definition>41201 - Disclosure - Subsequent Events Review (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="sncr-20160331_pre.xml" 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-20160331_cal.xml" 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-20160331_def.xml" 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-20160331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.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/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.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://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://fasb.org/us-gaap/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="sncr_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="sncr_PaymentsOnContingentConsideration" name="PaymentsOnContingentConsideration" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="DescriptionOfBusinessDisclosureAbstract" id="sncr_DescriptionOfBusinessDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LegalMattersDisclosureAbstract" id="sncr_LegalMattersDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MiyowaSAMember" id="sncr_MiyowaSAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="sncr_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" name="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" id="sncr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" id="sncr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerListsAndRelationshipsMember" id="sncr_CustomerListsAndRelationshipsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalizedSoftwareAndPatentsMember" id="sncr_CapitalizedSoftwareAndPatentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="sncr_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1CashFlowEffect" name="BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1CashFlowEffect" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="sncr_AccumulatedNetGainLossOnIntraEntityForeignCurrencyTransactionsMember" name="AccumulatedNetGainLossOnIntraEntityForeignCurrencyTransactionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityRightToIncreaseMaximumBorrowingCapacityAmount" id="sncr_LineOfCreditFacilityRightToIncreaseMaximumBorrowingCapacityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <element id="sncr_OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax" name="OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_ConvertibleSeniorNotesDue2019Member" name="ConvertibleSeniorNotesDue2019Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_DebtInstrumentRepurchasePriceAsPercentageOfPrincipalAmountRepurchased" name="DebtInstrumentRepurchasePriceAsPercentageOfPrincipalAmountRepurchased" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_ObligationsUnderAcquisitionAgreementMember" name="ObligationsUnderAcquisitionAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_EmployeeAndDirectorsStockOptionsMember" name="EmployeeAndDirectorsStockOptionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_RedeemableNoncontrollingInterestMember" name="RedeemableNoncontrollingInterestMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_ShareRepurchaseProgram2016Member" name="ShareRepurchaseProgram2016Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_FairValueAssetsTransfersBetweenLevels12And3Amount" name="FairValueAssetsTransfersBetweenLevels12And3Amount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_OpenwaveMessagingMember" name="OpenwaveMessagingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableAverageMarketValuePeriod" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableAverageMarketValuePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_AccountingStandardsUpdate201503Member" name="AccountingStandardsUpdate201503Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_ExcessTaxExpenseBenefitFromShareBasedCompensationOperatingActivities" name="ExcessTaxExpenseBenefitFromShareBasedCompensationOperatingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="sncr_ExcessTaxExpenseBenefitFromShareBasedCompensationFinancingActivities" name="ExcessTaxExpenseBenefitFromShareBasedCompensationFinancingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>





