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  <xsd:element id="tmus_AdditionalDepreciationExpenseinconnectionwithNetworkModernization" name="AdditionalDepreciationExpenseinconnectionwithNetworkModernization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="tmus_AdditionstoImputedDiscount" name="AdditionstoImputedDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_BrandedPostpaidRevenues" name="BrandedPostpaidRevenues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_BrandedPrepaidRevenues" name="BrandedPrepaidRevenues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_BuildingsandEquipmentMember" name="BuildingsandEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_BusinessAcquisitionProFormaInformationAcquireeNotesRetired" name="BusinessAcquisitionProFormaInformationAcquireeNotesRetired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tmus_BusinessAcquisitionProFormaInformationAcquirorNotesRetired" name="BusinessAcquisitionProFormaInformationAcquirorNotesRetired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tmus_BusinessAcquisitionProFormaInformationNotesIssued" name="BusinessAcquisitionProFormaInformationNotesIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_BusinessAcquisitionSupplementalInformationTableTextBlock" name="BusinessAcquisitionSupplementalInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_BusinessCombinationsAdjustmentsToAdditionalPaidInCapitalTotal" name="BusinessCombinationsAdjustmentsToAdditionalPaidInCapitalTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_Cancellationsandother" name="Cancellationsandother" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tmus_CashFlowsBetweenTransferorandTransfereenetcashproceedsduringtheperiod" name="CashFlowsBetweenTransferorandTransfereenetcashproceedsduringtheperiod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_CellSitesMember" name="CellSitesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_DeferredTaxAssetsValuationAllowanceStockCompensation" name="DeferredTaxAssetsValuationAllowanceStockCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_DeferredTaxLiabilitiesGoodwillandIntangibleAssetsIndefiniteLivedIntangibleAssets" name="DeferredTaxLiabilitiesGoodwillandIntangibleAssetsIndefiniteLivedIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_DepreciationExpenseforLeasedDevices" name="DepreciationExpenseforLeasedDevices" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_DeutscheBankMember" name="DeutscheBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_DiscountRelatedtoRoamingExpenses" name="DiscountRelatedtoRoamingExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="tmus_EquipmentInstallmentPlanMaximumPaymentTerm" name="EquipmentInstallmentPlanMaximumPaymentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_EquipmentInstallmentPlanReceivableMember" name="EquipmentInstallmentPlanReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_EquipmentInstallmentPlanReceivablesDueAfterOneYearNetMember" name="EquipmentInstallmentPlanReceivablesDueAfterOneYearNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_EquipmentInstallmentPlanReceivablesNetMember" name="EquipmentInstallmentPlanReceivablesNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_FCCSpectrumAuctionMember" name="FCCSpectrumAuctionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_FactoringArrangementMember" name="FactoringArrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_FactoringandEIPSecuritizationArrangementMember" name="FactoringandEIPSecuritizationArrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_HandsetFinancingArrangementMember" name="HandsetFinancingArrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_ImputedDiscountMember" name="ImputedDiscountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_IncreaseDecreaseinDeferredPurchasePricesfromFactoringArrangement" name="IncreaseDecreaseinDeferredPurchasePricesfromFactoringArrangement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_IntercompanyPayables" name="IntercompanyPayables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_IntercompanyReceivables" name="IntercompanyReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tmus_InterestExpenseRelatedPartyMember" name="InterestExpenseRelatedPartyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_JPMorganChaseMember" name="JPMorganChaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_LesseeLeasingArrangementsOperatingLeasesInitialTermOfContract" name="LesseeLeasingArrangementsOperatingLeasesInitialTermOfContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_LongTermDebtInstrumentsInterestRateTableTextBlock" name="LongTermDebtInstrumentsInterestRateTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_LongTermIncentivePlanMember" name="LongTermIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_LongtermDebtandLongtermDebttoAffiliates" name="LongtermDebtandLongtermDebttoAffiliates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_MaximumFundingLimit" name="MaximumFundingLimit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tmus_MaximumFundingLimitPortionduewithinoneyear" name="MaximumFundingLimitPortionduewithinoneyear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tmus_MaximumFundingLimitportiondueoneyearorlonger" name="MaximumFundingLimitportiondueoneyearorlonger" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tmus_MetroPCSNetworkDecomissioningCostsMember" name="MetroPCSNetworkDecomissioningCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_MetroPCSTransactionCostsMember" name="MetroPCSTransactionCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_MetroPCSTransactionandIntegrationCostsMember" name="MetroPCSTransactionandIntegrationCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_MetropcsMember" name="MetropcsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_NegativeCarryingValueOfSubsidiariesNet" name="NegativeCarryingValueOfSubsidiariesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_NoncashEffectofDebtRecapitalizationTax" name="NoncashEffectofDebtRecapitalizationTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tmus_NoncashEliminationofNotestoAffiliatesUnamortizedDiscountPremiumNet" name="NoncashEliminationofNotestoAffiliatesUnamortizedDiscountPremiumNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tmus_NoncashNotesIssuedtoAffiliates" name="NoncashNotesIssuedtoAffiliates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_NoncashNotestoAffiliatesRetired" name="NoncashNotestoAffiliatesRetired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tmus_NoncashSettlementofAccountsReceivablefromAffiliatesandOtherReceivablesthroughNoncashPayments" name="NoncashSettlementofAccountsReceivablefromAffiliatesandOtherReceivablesthroughNoncashPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_OperatingLossCarryforwardsTaxEffected" name="OperatingLossCarryforwardsTaxEffected" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tmus_Outstandingchecks" name="Outstandingchecks" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_PaymentstoIntercompanyDividends" name="PaymentstoIntercompanyDividends" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_PredecessorPlansMember" name="PredecessorPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_ProFormaAdjustmenttoAmortizationandDepreciationMember" name="ProFormaAdjustmenttoAmortizationandDepreciationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_ProFormaAdjustmenttoInterestExpenseMember" name="ProFormaAdjustmenttoInterestExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_ProFormaAdjustmenttoTaxExpenseMember" name="ProFormaAdjustmenttoTaxExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_Propertysubjecttofailedsaleleasebacktransactionnumberofunits" name="Propertysubjecttofailedsaleleasebacktransactionnumberofunits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="tmus_QuarterlyFinancialInformationUnauditedAbstract" name="QuarterlyFinancialInformationUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_ReceivableWithImputedInterestDiscountIncreaseDecrease" name="ReceivableWithImputedInterestDiscountIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_RepaymentPercentOfOriginalAggregatePrincipalAmount" name="RepaymentPercentOfOriginalAggregatePrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tmus_RestrictedStockUnitsandPerformanceStockUnitsMember" name="RestrictedStockUnitsandPerformanceStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_RoamingAndOtherServiceRevenue" name="RoamingAndOtherServiceRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_ScheduleofVariableInterestEntitiesEIPTableTextBlock" name="ScheduleofVariableInterestEntitiesEIPTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_StockIssuedDuringPeriodSharesReverseMergerAcquisitions" name="StockIssuedDuringPeriodSharesReverseMergerAcquisitions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_StockIssuedDuringPeriodValueReverseMergerAcquisitions" name="StockIssuedDuringPeriodValueReverseMergerAcquisitions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_SupplementalFinancialStatementElementsAbstract" name="SupplementalFinancialStatementElementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_TowerTransactionMember" name="TowerTransactionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_TowerTransactionPTIMember" name="TowerTransactionPTIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_TrademarksandPatentsMember" name="TrademarksandPatentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_UnamortizedImputedDiscountRollForward" name="UnamortizedImputedDiscountRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_UnamortizedImputedDiscountandAllowanceforCreditLosses" name="UnamortizedImputedDiscountandAllowanceforCreditLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tmus_UnrecognizedTaxBenefitsIncreaseResultingfromCurrentPeriodBusinessCombination" name="UnrecognizedTaxBenefitsIncreaseResultingfromCurrentPeriodBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tmus_UnrecognizedTaxBenefitsNetOperatingLoss" name="UnrecognizedTaxBenefitsNetOperatingLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tmus_VendorFinancingArrangementMember" name="VendorFinancingArrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_VerizonMember" name="VerizonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tmus_WholesaleServiceRevenue" name="WholesaleServiceRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tmus_WirelessCommunicationsSystemsMember" name="WirelessCommunicationsSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>


