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CompanyName Date:19December2025 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) INFINIXMOBILITYLIMITED (“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). INFINIXMOBILITYLIMITED (“theapplicant”)furthercertifiesthatnoCybersecurityor anti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofits successorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc. (oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwareis installedintheequipmentbeingcertified. Section2.911(d)(5)(ii) INFINIXMOBILITYLIMITED(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicant[isnot]identifiedontheCoveredList(asaspecifically namedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2AIZN-X6887 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:Jerry.liu PositionintheCompany: INFINIXMOBILITYLIMITED DateofSignature: ___________________________ Signatory ( INFINIXMOBILITYLIMITED )

INFINIXMOBILITYLIMITED Date:December18,2025 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheINFINIXMOBILITYLIMITEDundersigned,herebyauthorizesMr.WuXuewenfromShenzhen BALUNTechnologyCo.,Ltd.,toactonthebehalfoftheINFINIXMOBILITYLIMITEDsolelyin mattersrelatingtotheapplicationforanFCCequipmentauthorizationforFCCID:2AIZN-X6887 includingthesigningofdocumentsinconnectionwiththisApplication.Necessaryactscarried outbyShenzhenBALUNTechnologyCo.,Ltd.inconnectionwiththeApplicationshallhavethe sameeffectasactsoftheINFINIXMOBILITYLIMITED TheINFINIXMOBILITYLIMITEDalsoherebycertifythatnopartytothisapplicationissubjecttoa denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.Section862. YoursSincerely, Title:manager Printname:Jerry.liu INFINIXMOBILITYLIMITED

INFINIXMOBILITYLIMITED Date:December18,2025 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 RE:INFINIXMOBILITYLIMITED FCCID:2AIZN-X6887 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentialitymaterial. INFINIXMOBILITYLIMITEDrequeststhatthefollowingdocumentsregardingthissubmissionfor FCCID:2AIZN-X6887bekeptLong-Termconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf BomBom.pdf TuneupTuneup.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExhibitTypeFileName ExternalPhotosExternalPhoto.pdf InternalPhotosInternalPhoto.pdf TestSetupPhotosTestSetupPhotos.pdf UsersManualsUsersManual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelatedinformation abouttheproductwhichINFINIXMOBILITYLIMITEDconsiderstobeconfidentialproprietary,a customdesignand,otherwise,notreleasabletothegeneralpublic.Sincethisdesignisabasis formwhichfuturetechnologicalproductswillevolve,INFINIXMOBILITYLIMITEDconsidersthis informationwouldbeofbenefittoitscompetitors,andthatthedisclosureoftheinformationin thesedocumentswouldgivecompetitorsanunfairadvantageinthemarket. Thankyouforyourattentiontothismatter. YoursSincerely, Title:manager Printname:Jerry.liu INFINIXMOBILITYLIMITED

ReportNo.:BL-SH25A1131-401 Tel:86-21-58180736E-mail:[email protected] / 31 Web:www.titcgroup.comTemplateNo.:TRP4-EC-08V4.0 Add:1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict,Shanghai,China RevisionHistory VersionIssueDateRevisionsContent Rev.01Dec.19,2025InitialIssue TABLEOFCONTENTS 1GENERALINFORMATION................................................................................................................4 1.1TestLaboratory............................................................................................................................4 1.2TestLocation................................................................................................................................4 2PRODUCTINFORMATION................................................................................................................5 2.1ApplicantInformation...................................................................................................................5 2.2ManufacturerInformation.............................................................................................................5 2.3GeneralDescriptionforEquipmentunderTest(EUT)................................................................5 2.4AncillaryEquipment.....................................................................................................................6 2.5TechnicalInformation...................................................................................................................7 3SUMMARYOFTESTRESULTS.......................................................................................................8 3.1TestStandards.............................................................................................................................8 3.2Verdict..........................................................................................................................................8 3.3DecisionRule...............................................................................................................................8 3.4TestUncertainty...........................................................................................................................8 4GENERALTESTCONFIGURATIONS..............................................................................................9 4.1TestEnclosureList.......................................................................................................................9 4.2TestConfigurations......................................................................................................................9 4.3TestSetups................................................................................................................................10 5TESTITEMS.....................................................................................................................................12 5.1EmissionTests...........................................................................................................................12 5.1.1Radiatedemission...............................................................................................................12 5.1.2Conductedemission............................................................................................................14 ANNEXATESTRESULTSANDTESTEQUIPMENTLIST..............................................................15 A.1Radiatedemission.....................................................................................................................15 A.2Conductedemission..................................................................................................................26 ReportNo.:BL-SH25A1131-401 Tel:86-21-58180736E-mail:[email protected] / 31 Web:www.titcgroup.comTemplateNo.:TRP4-EC-08V4.0 Add:1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict,Shanghai,China ANNEXBTESTSETUPPHOTOS.....................................................................................................30 ANNEXCEUTEXTERNALPHOTOS................................................................................................30 ANNEXDEUTINTERNALPHOTOS.................................................................................................30 ReportNo.:BL-SH25A1131-401 Tel:86-21-58180736E-mail:[email protected] / 31 Web:www.titcgroup.comTemplateNo.:TRP4-EC-08V4.0 Add:1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict,Shanghai,China 1GENERALINFORMATION 1.1TestLaboratory Name ShanghaiTejetCommunicationsTechnologyCo.,Ltd.TestingCenter Address 1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict, Shanghai,China 1.2TestLocation NameShanghaiTejetCommunicationsTechnologyCo.,Ltd.TestingCenter Location 1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict, Shanghai,China Accreditation Certificate ThelaboratoryisatestingorganizationaccreditedbyFCCasaaccreditedtesting laboratory.ThedesignationnumberisCN1352. ReportNo.:BL-SH25A1131-401 Tel:86-21-58180736E-mail:[email protected] / 31 Web:www.titcgroup.comTemplateNo.:TRP4-EC-08V4.0 Add:1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict,Shanghai,China 2PRODUCTINFORMATION 2.1ApplicantInformation ApplicantINFINIXMOBILITYLIMITED Address FLATN16/FBLOCKBUNIVERSALINDUSTRIALCENTRE19-25 SHANMEISTREETFOTANNTHONGKONG 2.2ManufacturerInformation ManufacturerINFINIXMOBILITYLIMITED Address FLATN16/FBLOCKBUNIVERSALINDUSTRIALCENTRE19-25 SHANMEISTREETFOTANNTHONGKONG 2.3GeneralDescriptionforEquipmentunderTest(EUT) EquipmentTypeMobilePhone ModelNameUnderTestX6887 SeriesModelNameN/A DescriptionofModelName Differentiation N/A HardwareVersionN/A SoftwareVersionN/A Dimensions(Approx.)N/A Weight(Approx.)N/A ReportNo.:BL-SH25A1131-401 Tel:86-21-58180736E-mail:[email protected] / 31 Web:www.titcgroup.comTemplateNo.:TRP4-EC-08V4.0 Add:1-2/F.,Building1,No.222,XuanlanRoad,Xuanqiao,PudongNewDistrict,Shanghai,China 2.4AncillaryEqui…

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