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<!-- Creation Date :2023-04-27T11:14:41.0793+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="utsi_StockRepurchaseProgramAdditionalPeriod" name="StockRepurchaseProgramAdditionalPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_TaxCreditCarryForwardAmountNotSubjectToExpiration" name="TaxCreditCarryForwardAmountNotSubjectToExpiration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_TaxCreditCarryForwardAmountSubjectToExpiration" name="TaxCreditCarryForwardAmountSubjectToExpiration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_TaxCreditCarryforwardExpirationYear" name="TaxCreditCarryforwardExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_TaxProvisionReversal" name="TaxProvisionReversal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="utsi_TreasuryStockSharesAcquiredOnEffectOfReverseShareSplit" name="TreasuryStockSharesAcquiredOnEffectOfReverseShareSplit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_UnrecognizedTaxBenefitsCreditInDeferredTaxes" name="UnrecognizedTaxBenefitsCreditInDeferredTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_UnrecognizedTaxBenefitsFederalBenefitOfStateTaxes" name="UnrecognizedTaxBenefitsFederalBenefitOfStateTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_UnrecognizedTaxBenefitsInTaxCreditExpiration" name="UnrecognizedTaxBenefitsInTaxCreditExpiration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_UnrecognizedTaxBenefitsRelatedToDeferredTaxAssetsAndFederalTaxBenefitOfStateIncomeTaxItems" name="UnrecognizedTaxBenefitsRelatedToDeferredTaxAssetsAndFederalTaxBenefitOfStateIncomeTaxItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="utsi_ValidPeriodForReducedIncomeTaxRateApplicableToHighAndNewTechnologyEnterprise" name="ValidPeriodForReducedIncomeTaxRateApplicableToHighAndNewTechnologyEnterprise" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_WithholdingTaxOnIncomeOrCapitalGains" name="WithholdingTaxOnIncomeOrCapitalGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="utsi_DocumentAndEntityInformationLineItems" name="DocumentAndEntityInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_OperatingLeasesLineItems" name="OperatingLeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_AcelandMember" name="AcelandMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CashCashEquivalentsAndShortTermInvestmentsMember" name="CashCashEquivalentsAndShortTermInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_ComputerAndSoftwareMember" name="ComputerAndSoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CoronavirusAidReliefAndEconomicSecurityActMember" name="CoronavirusAidReliefAndEconomicSecurityActMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CountriesOtherThanUsMember" name="CountriesOtherThanUsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CustomerAMember" name="CustomerAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CustomerBMember" name="CustomerBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_DomesticCountryFederalAndStateAndLocalJurisdictionMember" name="DomesticCountryFederalAndStateAndLocalJurisdictionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EagleFieldHoldingLimitedMember" name="EagleFieldHoldingLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EquipmentAndFurnitureMember" name="EquipmentAndFurnitureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EquipmentBasedServicesMember" name="EquipmentBasedServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EquipmentSegmentMember" name="EquipmentSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EquityIncentivePlan2006Member" name="EquityIncentivePlan2006Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_EquityIncentivePlan2017Member" name="EquityIncentivePlan2017Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_ExercisePriceRangeFromDollars428To428Member" name="ExercisePriceRangeFromDollars428To428Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_ExercisePriceRangeFromDollars456To456Member" name="ExercisePriceRangeFromDollars456To456Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_GCTSemiconductorIncMember" name="GCTSemiconductorIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_IntercompanyMember" name="IntercompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_NonUsExcludingChinaMember" name="NonUsExcludingChinaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_OtherCountriesMember" name="OtherCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_RelatedPartiesMember" name="RelatedPartiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_RepurchaseProgramNovember2014Member" name="RepurchaseProgramNovember2014Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_StockIncentivePlansMember" name="StockIncentivePlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_StockOptionsAndRestrictedStockUnitsRSUMember" name="StockOptionsAndRestrictedStockUnitsRSUMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_StockOptionsAndStockAwardsMember" name="StockOptionsAndStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_TongdingInterconnectionInformationCoLtdMember" name="TongdingInterconnectionInformationCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_UiTVMediaIncMember" name="UiTVMediaIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_UnrelatedPartyMember" name="UnrelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_UTStarcomHongKongHoldingsLtdMember" name="UTStarcomHongKongHoldingsLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_UTStarcomTelecomCoLtdMember" name="UTStarcomTelecomCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_DocumentAndEntityInformationTable" name="DocumentAndEntityInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_OperatingLeasesTable" name="OperatingLeasesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="utsi_CustomerAdvancesPolicyPolicyTextBlock" name="CustomerAdvancesPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_RecentAdoptedAccountingStandardsPolicyTextBlock" name="RecentAdoptedAccountingStandardsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="utsi_TreasuryStockPolicyTextBlock" name="TreasuryStockPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
