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  <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_ExecutiveIPOPlanMember" abstract="true" name="ExecutiveIPOPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_A2022ArmLimitedRSUAwardPlanMember" abstract="true" name="A2022ArmLimitedRSUAwardPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_OmnibusIncentivePlanMember" abstract="true" name="OmnibusIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ReclassificationOtherNoncurrentLiabilitiesMember" abstract="true" name="ReclassificationOtherNoncurrentLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateNominalAmountLimitPercent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateNominalAmountLimitPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_ShareBasedPaymentArrangementPlanModificationCashSettlementSharedHeldByParticipant" abstract="false" name="ShareBasedPaymentArrangementPlanModificationCashSettlementSharedHeldByParticipant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFixedMonetaryAward" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFixedMonetaryAward" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_NumberOfExecutiveAwards" abstract="false" name="NumberOfExecutiveAwards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInConnectionWithTheIPO" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInConnectionWithTheIPO" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseInSharesAuthorized" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseInSharesAuthorized" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionAmount" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTransactionCosts" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTransactionCosts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <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_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForLackOfMarketability" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForLackOfMarketability" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <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_EffectiveIncomeTaxRateReconciliationPatonBoxBenefitAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationPatonBoxBenefitAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount" 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_TaxCreditCarryforwardWithNoExpirationMember" abstract="true" name="TaxCreditCarryforwardWithNoExpirationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_TaxCreditCarryforwardWithExpirationMember" abstract="true" name="TaxCreditCarryforwardWithExpirationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_DeferredTaxAssetTaxCreditCarryforwardNetOfFederalBenefits" abstract="false" name="DeferredTaxAssetTaxCreditCarryforwardNetOfFederalBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpenseBenefits" abstract="false" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpenseBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_DeferredTaxAssetLeaseLiability" abstract="false" name="DeferredTaxAssetLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_DeferredTaxLiabilitiesContractLiabilities" abstract="false" name="DeferredTaxLiabilitiesContractLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_LiabilityDefinedContributionPlan" abstract="false" name="LiabilityDefinedContributionPlan" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_ServiceShareArrangementMember" abstract="true" name="ServiceShareArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_CommonControlInSoftBankMember" abstract="true" name="CommonControlInSoftBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_OtherEntitiesControlledBySoftBankGroupMember" abstract="true" name="OtherEntitiesControlledBySoftBankGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_OtherEquityInvestmentsMember" abstract="true" name="OtherEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_RaineSecuritiesLLCAgreementMember" abstract="true" name="RaineSecuritiesLLCAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_PelionIOTLimitedMember" abstract="true" name="PelionIOTLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_AccountsReceivableAfterAllowanceForCreditLossReceivablePayableNetCurrent" abstract="false" name="AccountsReceivableAfterAllowanceForCreditLossReceivablePayableNetCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" 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_ProceedsFromEquityMethodInvestments" abstract="false" name="ProceedsFromEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_CostsIncurredSubscriptionCosts" abstract="false" name="CostsIncurredSubscriptionCosts" nillable="true" xbrli:periodType="duration" 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_GainFromRelatedPartyTransaction" abstract="false" name="GainFromRelatedPartyTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ProceedsFromReimbursementFromUnderwriters" abstract="false" name="ProceedsFromReimbursementFromUnderwriters" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_ShareBasedPaymentArrangementEmployerTaxes" abstract="false" name="ShareBasedPaymentArrangementEmployerTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_ProjectMaterialsExpense" abstract="false" name="ProjectMaterialsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_OtherNonStaffCostsNet" abstract="false" name="OtherNonStaffCostsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="arm_OperatingMargin" abstract="false" name="OperatingMargin" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="arm_ArtisanFoundationIPBusinessMember" abstract="true" name="ArtisanFoundationIPBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="arm_CommonStockCapitalSharesReservedForFutureIssuanceIncrease" abstract="false" name="CommonStockCapitalSharesReservedForFutureIssuanceIncrease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="arm_CommonStockCapitalSharesReservedForFutureIssuanceIncreasePercent" abstract="false" name="CommonStockCapitalSharesReservedForFutureIssuanceIncreasePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
