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  <xs:element id="arm_ProceedsFromEquityMethodInvestments" abstract="false" name="ProceedsFromEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_SoftBankVisionFundIIMember" abstract="true" name="SoftBankVisionFundIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_GovernmentGrantsResearchAndDevelopmentExpensesOffset" abstract="false" name="GovernmentGrantsResearchAndDevelopmentExpensesOffset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_NonCashReclassificationOfShareBasedCompensationCosts" abstract="false" name="NonCashReclassificationOfShareBasedCompensationCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateNominalAmountLimitPercent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateNominalAmountLimitPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_AmpereComputingHoldingsLLCMember" abstract="true" name="AmpereComputingHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_EquityMethodInvestmentsFairValueOption" abstract="false" name="EquityMethodInvestmentsFairValueOption" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_RepaymentsOfIntangibleAssetObligation" abstract="false" name="RepaymentsOfIntangibleAssetObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="arm_DeferredTaxLiabilitiesOutsideBasisDifference" abstract="false" name="DeferredTaxLiabilitiesOutsideBasisDifference" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_NonCashDistributionDisposalOfInvestment" abstract="false" name="NonCashDistributionDisposalOfInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_NonCashWithholdingTaxOnVestedShares" abstract="false" name="NonCashWithholdingTaxOnVestedShares" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_EffectiveIncomeTaxRateReconciliationExemptGainsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationExemptGainsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_LinaroAgreementMember" abstract="true" name="LinaroAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_EquitySecuritiesWithoutReadilyDeterminableFairValueIncludingFairValueOptionGainLossFromSale" abstract="false" name="EquitySecuritiesWithoutReadilyDeterminableFairValueIncludingFairValueOptionGainLossFromSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_GovernmentGrantsPolicyPolicyTextBlock" abstract="false" name="GovernmentGrantsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="arm_EquityDistributionToMajorityShareholderForReceivable" abstract="false" name="EquityDistributionToMajorityShareholderForReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_SecondLargestCustomerMember" abstract="true" name="SecondLargestCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_EquityMethodInvestmentsExcludingFairValueOption" abstract="false" name="EquityMethodInvestmentsExcludingFairValueOption" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_RelatedPartyTransactionTerm" abstract="false" name="RelatedPartyTransactionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="arm_HOPUARMHoldingCompanyLimitedMember" abstract="true" name="HOPUARMHoldingCompanyLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ChinaWaldenVenturesInvestmentsIIL.P.Member" abstract="true" name="ChinaWaldenVenturesInvestmentsIIL.P.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_CornerstoneInvestmentAgreementPurchasePrice" abstract="false" name="CornerstoneInvestmentAgreementPurchasePrice" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPresentValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPresentValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="arm_DeferredTaxAssetOperatingLossCarryforwardNetOfFederalBenefit" abstract="false" name="DeferredTaxAssetOperatingLossCarryforwardNetOfFederalBenefit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ContractWithCustomerVersionExtensionReleasePeriod" abstract="false" name="ContractWithCustomerVersionExtensionReleasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="arm_DisposalRestructuringAndOtherOperatingExpensesNet" abstract="false" name="DisposalRestructuringAndOtherOperatingExpensesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ArmNonExecutiveDirectorsRSUAwardPlanMember" abstract="true" name="ArmNonExecutiveDirectorsRSUAwardPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForLackOfMarketability" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForLackOfMarketability" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_ReclassificationOtherCurrentLiabilitiesMember" abstract="true" name="ReclassificationOtherCurrentLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_RestrictedStockUnitsLiabilityClassifiedMember" abstract="true" name="RestrictedStockUnitsLiabilityClassifiedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_OtherCurrentLiabilitiesLineItems" abstract="true" name="OtherCurrentLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="arm_OtherCountriesMember" abstract="true" name="OtherCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ArmTechnologyInvestments2LimitedMember" abstract="true" name="ArmTechnologyInvestments2LimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_RestrictedStockUnitsLaunchAwardsMember" abstract="true" name="RestrictedStockUnitsLaunchAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ARMIOTFundLPTaiwanMember" abstract="true" name="ARMIOTFundLPTaiwanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_GovernmentGrantMaximumContract" abstract="false" name="GovernmentGrantMaximumContract" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ServiceShareArrangementMember" abstract="true" name="ServiceShareArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_GainFromRelatedPartyTransaction" abstract="false" name="GainFromRelatedPartyTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_InvestmentInNonMarketablePreferredStockInExchangeForCashPayment" abstract="false" name="InvestmentInNonMarketablePreferredStockInExchangeForCashPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ArmLimitedAllEmployeePlan2019Member" abstract="true" name="ArmLimitedAllEmployeePlan2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_OmnibusIncentivePlanMember" abstract="true" name="OmnibusIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_EquityMethodInvestmentsFairValueOptionTimeToFutureExit" abstract="false" name="EquityMethodInvestmentsFairValueOptionTimeToFutureExit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="arm_RestrictedStockUnitsContinuousServiceMember" abstract="true" name="RestrictedStockUnitsContinuousServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_TaxCreditCarryforwardWithNoExpirationMember" abstract="true" name="TaxCreditCarryforwardWithNoExpirationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ArmChinaMember" abstract="true" name="ArmChinaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_NonCancellableAndNonRefundableCommittedFundsMember" abstract="true" name="NonCancellableAndNonRefundableCommittedFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_RestrictedStockUnitsAndPerformanceSharesMember" abstract="true" name="RestrictedStockUnitsAndPerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="arm_ThirdLargestCustomerMember" abstract="true" name="ThirdLargestCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_NonCashChangesInPropertyPlantAndEquipment" abstract="false" name="NonCashChangesInPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_EquityMethodInvestmentsFairValueOptionMeasurementInput" abstract="false" name="EquityMethodInvestmentsFairValueOptionMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="arm_MeasurementInputProbabilityOfIPOTimeToFutureExitScenarioMember" abstract="true" name="MeasurementInputProbabilityOfIPOTimeToFutureExitScenarioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInConnectionWithTheIPO" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInConnectionWithTheIPO" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="arm_HOPUARMInnovationFundL.P.Member" abstract="true" name="HOPUARMInnovationFundL.P.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_DisposalGroupIncludingDiscontinuedOperationImpairmentOfLongLivedAssets" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationImpairmentOfLongLivedAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ContractWithCustomerLiabilityPrepaymentAndBilling" abstract="false" name="ContractWithCustomerLiabilityPrepaymentAndBilling" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_RaineSecuritiesLLCAgreementMember" abstract="true" name="RaineSecuritiesLLCAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
