XD6U572AASmart Phone

ShenzhenTinnoMobileTechnology Corp. 27-001,SouthsideofTianlongmobileHQBuilding,TongfaSouthRoad,XiliStreet,NanshanDistrict,Shenzhen,PRC U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO:American Certification Body, Inc. 313 ParkAvenue Suite300 Falls Church, VA 22046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: TINNO USA INC Contact Name: Brandy Kang Street Address: 2301W.PLANOParkway,SUITE102 City/Province/Zip: Plano, TX 75075 Telephone No: (626) 200-5096 Email: [email protected] FRN #: 0033457680 This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of theApplicantnoted below. U.S. Agent Signature: Date: 2023-10-14 Signed by (Printed Name/Title): Brandy Kang / CEO The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission- related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Shenzhen Tinno Mobile Technology Corp. Grantee Code: XD6 Contact Name: Xiaoping Li Street Address: 27-001, South side of Tianlong mobile HQ Building, Tongfa South Road, Xili Street, Nanshan District City/Province/Zip: Shenzhen /Guangdong/518000 Telephone No: (86) 755-86095550 Email: [email protected] FRN #: 0018783100 Applicant Signature 1 : Date:2023-10-14 Signed by (Printed Name/Title): Xiaoping Li / Manager 1 - Lettersshouldbeplacedonappropriateletterhead.

Shenzhen Tinno Mobile Technology Corp. 27-001, South Side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen ,PRC 120623-17 rev 9 ACB-FORM-FCC-Application-Letters-Covered-List-Attestation Date: June 7, 2024 FCC ID: XD6U572AA American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) ______ Shenzhen Tinno Mobile Technology Corp.______ certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . Shenzhen Tinno Mobile Technology Corp. 27-001, South Side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen ,PRC 120623-17 rev 9 Statement for 47 CFR section 2.911(d)(5)(ii) ______ Shenzhen Tinno Mobile Technology Corp.______ (“the applicant”) certifies that, as of the date of the filing of this application, the applicant ☐ - is / ☑ - is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates – see KDB 986446 Question 5) as an entity producing “covered” equipment. Thank you, By: __________________________ _________ Xiaoping Li___ ____ (Signature 2 ) (Print name) Title: ___ Product certification manager _______________________ Company: __ Shenzhen Tinno Mobile Technology Corp. Telephone: +86-755-8609-5550 2 - Letters must be placed on appropriate letterhead.

Shenzhen Tinno Mobile Technology Corp. 27-001, South Side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen ,PRC 050222-17 ACB-FORM-FCC-Application-Letters-Agency-Letter Date: June 7, 2024 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: ______ CTTL, Telecommunication Technology Labs, CAICT _____ is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. Thank you, Agency Agreement Expiration Date: ____2025/6/7____ By: __________________________ ____Xiaoping Li____________________ (Signature 1 ) (Print name) Title: __ Product certification manager ________________________ On behalf of: _____ Shenzhen Tinno Mobile Technology Corp._____________________ (Company Name) Telephone: ________(86) 755-86095550____________________ 1 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

Shenzhen Tinno Mobile Technology Corp. 27-001, South Side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen ,PRC 050222-17 ACB-FORM-FCC-Application-Letters-Confidentiality-Lette Date: June 7, 2024 Subject: Confidentiality Request for: _____XD6U572AA_____ Pursuant to FCC 47 CFR 0.457(d) and 0.459 and/or IC RSP-100, Section 12.4, the applicant requests that a part of the subject application(s) be held confidential. Type of Confidentiality Requested Exhibit ☐ Short Term ☒ Permanent Block Diagrams ☒ Short Term --------------------------- External Photos ☒ Short Term ☐ Permanent * 1 Internal Photos ☐ Short Term ☒ Permanent Operation Description/Theory of Operation ☐ Short Term ☒ Permanent Parts List & Placement/BOM ☐ Short Term ☒ Permanent Tune-Up Procedure ☐ Short Term ☒ Permanent Schematics ☒ Short Term --------------------------- Test Setup Photos ☒ Short Term ☐ Permanent * 1 User’s Manual ______ Shenzhen Tinno Mobile Technology Corp.____ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality for FCC Applications: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of __ 180__ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify ACB in the event information regarding the product or the product is made available to the public before the requested period has expired. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Short Term Confidentiality for Industry Canada Applications: Starting May 2022, ISED will recognize short term confidentiality on certain exhibits until the intended date of marketing. The applicant requests the exhibits selected above as short term confidential be withheld from public view until: (specify ISED expiration date / date of marketing) . Sincerely, By: _____ _____________________ ___ Xiaoping Li _____________________ (Signature/Title 2 ) (Print name) 1 - The asterisked items (*) require further information to be provided to ACB before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 and the specific Document link for D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. 2 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

U572AA & U572AC label location U572AA label U572AC label

ANT3 GPS/2.4G+5GWIFI/BT ANT1 3G:WCDMAB1/2/4/5/8TX/RX 4G:LTEB2/3/4/5/7/12/14/20/29/30/66TX/RX BackView ANT2 3G:WCDMAB1/2/4/5/8DRX 4G:LTEB2/3/4/5/7/12/14/20/29/30/66DRX Rear Camera 174mm 1 、 Ant1 Band AverageGainMaximumGain TXRXTXRX WCDMA WCDMAB1 -6.4dBi-8.35dBi-3.14dBi-3.24dBi WCDMAB2 -5.17dBi-6.59dBi-1.5dBi-2.36dBi WCDMAB4 -4.64dBi-8.35dBi0.14dBi-3.27dBi WCDMAB5 -7.4dBi-8.07dBi-2.56dBi-3.87dBi WCDMAB8 -8.83dBi-10.99dBi-4.87Bi-6.56dBi LTE Band2-5.17dBi-6.59dBi-1.5dBi-2.36dBi Band3-4.66dBi-4.59dBi0.16dBi-0.94dBi Band4-4.67dBi-7.64dBi-0.02dBi-2.95dBi Band5-7.57dBi-8.07dBi-3.15dBi-4.12dBi Band7-8.01dBi-9.61dBi-2.36dBi-4.17dBi Band12 -6.63dBi-6.72dBi-1.42dBi-1.55dBi Band14-7.24dBi-6.99dBi-1.88dBi-1.51dBi Band20-7.57dBi-7.22dBi-3.15dBi-1.97dBi Band29/-6.72dBi/-1.55dBi Band30-5.16dBi-5.51dBi-0.24dBi0.25dBi Band66-4.67dBi-7.64dBi-0.02dBi-2.95dBi 2、Ant2 Band AverageGainMaximumGain TXRXTXRX WCDMA WCDMAB1 /-3.6dBi/-0.1dBi WCDMAB2 /-3.8dBi/-1.0dBi WCDMAB4 /-3.6dBi/-0.1dBi WCDMAB5 /-13.4dBi/-9.7dBi WCDMAB8 /-8.0dBi/-4.5dBi LTE Band2/-3.8dBi/-1.0dBi Band3/-5.9dBi/-3.5dBi Band4/-3.6dBi/-0.1dBi Band5/-13.4dBi/-9.7dBi Band7/-4.3dBi/-1.1dBi Band12/-9.0dBi/-6.1dBi Band14/-9.2dBi/-6.2dBi Band20/-8.4dBi/-5.2dBi Band29/-9.4dBi/-6.6dBi Band30/-5.0dBi/-1.1dBi Band66/-3.4dBi/0.2dBi 3 、 Ant3 Band AverageGainMaximumGain TXRXTXRX GPSL11575.5/-4.5dBi/0.1dBi WIFI 2.4G 2.4Ghz-2.5Ghz-4.9dBi-4.9dBi0.2dBi0.2dBi WIFI 5G 5.15Ghz-5.85Ghz-4.8dBi-4.8dBi0.5dBi0.5dBi BT 2.4Ghz-2.5Ghz-4.9dBi-4.9dBi0.2dBi0.2dBi

Antenna Data Sheet Catalogue 1. Capability Status 2. Antenna Location 3. Antenna Passive Efficiency 4. Simple Antenna Pattern Plot 5. Antenna return loss 1. Capability Status a. Main software and hardware facilities for antenna R&X Equipment introduction Shanghai: Satimo:2 GTS1800:3 NFC Micropross:1 SAR DASY 5:1 Shenzhen: GTS1800:1 GTS2800:1 NFC Micropross:1 Xian: GTS2800:1 Beijing: GTS1800:2 GTS2800:1 Kunshan: GTS2800:1 Satimo:2 GTS1800:3 SAR DASY 4:2 Satimo SG24 GTS2800 DASY4/5 NFC b. Full category testing capability Support system GSM/WCDMA/EVDO/TDSCDMA/TDD/FDD/5G-SA/5G-NSA/eMTC/NB-iot/GPS/WiFi/BT/ CA/ENDC Common equipment SP9500 Anritsu MT8820C 5071C CMW500 DASY4/5 SAR StarPoint SP9500 Anritsu MT8820C 2. Antenna Location ANT1: WCDMA B1/2/4/5/8 TRX LTE B2/3/4/5/7/12/14/20/29/30/66 TRX ANT2:WCDMA B1/2/4/5/8 DRX LTE B2/3/4/5/7/12/14/20/29/30/66 DRX ANT3:2.4+5WIFI/GPS/BT Antenna Vendor Welletronics Communication technology Co.,Ltd. Website:http://www.wtt-china.cn Tel: 86-0755-29076623 29076625 Fax: 86-0755-21633856 Address: 1~3F, No.8, Tongfu Estate, Xinshi Community, Dalang Street, Longhua District, Shenzhen, China Antenna model number：WTT- U572AA 3. Antenna Passive Efficiency a. Antenna1 Band Average Gain Maximum Gain TX RX TX RX WCDMA WCDMAB1 -6.4dBi -8.35dBi -3.14dBi -3.24dBi WCDMAB2 -5.17dBi -6.59dBi -1.5dBi -2.36dBi WCDMAB4 -4.64dBi -8.35dBi 0.14dBi -3.27dBi WCDMAB5 -7.4dBi -8.07dBi -2.56dBi -3.87dBi WCDMAB8 -8.83dBi -10.99dBi -4.87Bi -6.56dBi LTE Band 2 -5.17dBi -6.59dBi -1.5dBi -2.36dBi Band 3 -4.66dBi -4.59dBi 0.16dBi -0.94dBi Band 4 -4.67dBi -7.64dBi -0.02dBi -2.95dBi Band 5 -7.57dBi -8.07dBi -3.15dBi -4.12dBi Band 7 -8.01dBi -9.61dBi -2.36dBi -4.17dBi Band 12 -6.63dBi -6.72dBi -1.42dBi -1.55dBi Band 14 -7.24dBi -6.99dBi -1.88dBi -1.51dBi Band 20 -7.57dBi -7.22dBi -3.15dBi -1.97dBi Band 29 / -6.72dBi / -1.55dBi Band 30 -5.16dBi -5.51dBi -0.24dBi 0.25dBi Band 66 -4.67dBi -7.64dBi -0.02dBi -2.95dBi b. Antenna2 Band Average Gain Maximum Gain TX RX TX RX WCDMA WCDMAB1 / -3.6dBi / -0.1dBi WCDMAB2 / -3.8dBi / -1.0dBi WCDMAB4 / -3.6dBi / -0.1dBi WCDMAB5 / -13.4dBi / -9.7dBi WCDMAB8 / -8.0dBi / -4.5dBi LTE Band 2 / -3.8dBi / -1.0dBi Band 3 / -5.9dBi / -3.5dBi Band 4 / -3.6dBi / -0.1dBi Band 5 / -13.4dBi / -9.7dBi Band 7 / -4.3dBi / -1.1dBi Band 12 / -9.0dBi / -6.1dBi Band 14 / -9.2dBi / -6.2dBi Band 20 / -8.4dBi / -5.2dBi Band 29 / -9.4dBi / -6.6dBi Band 30 / -5.0dBi / -1.1dBi Band 66 / -3.4dBi / 0.2dBi c.Antenna3 Band Average Gain Maximum Gain TX RX TX RX GPS L1 1575.5 / -4.5dBi / 0.1dBi WIFI 2.4G 2.4Ghz-2.5Ghz -4.9dBi -4.9dBi 0.2dBi 0.2dBi WIFI 5G 5.15Ghz-5.85Ghz -4.8dBi -4.8dBi 0.5dBi 0.5dBi BT 2.4Ghz-2.5Ghz -4.9dBi -4.9dBi 0.2dBi 0.2dBi d. NFC The devices does not support the test of NFC gain.In addition,all measurements were performed radiated and therefore additional antenna gain documentation is not required. 4.Simple Antenna Pattern Plot a. Antenna1 b. Antenna2 c.Antenna3 4. Antenna return loss a. Antenna1 B2/3/4/5/7/30/66 B8 B12 B14 b.Antenna2 B2/3/4/5/7/30/66 B8 B12 B14 b. Antenna3 Welletronics Communication technology Co.,Ltd. Website:http://www.wtt-china.cn Tel: 86-0755-29076623 29076625 Fax: 86-0755-21633856 Address: 1~3F, No.8, Tongfu Estate, Xinshi Community, Dalang Street, Longhua District, Shenzhen, China

©Copyright.AllrightsreservedbyCTTL. TESTREPORT No.24T04Z100644-013 for ShenzhenTinnoMobileTechnologyCorp. SmartPhone ModelName:U572AA,U572AC FCCID:XD6U572AA with HardwareVersion:V1.0 SoftwareVersion:U572AAV01.04.10 IssuedDate:2024-05-28 Note: Thetestresultsinthistestreportrelateonlytothedevicesspecifiedinthisreport.Thisreportshallnotbe reproducedexceptinfullwithoutthewrittenapprovalofCTTL. TestLaboratory: CTTL-TelecommunicationTechnologyLabs,CAICT No.52,HuayuanNorthRoad,HaidianDistrict,Beijing,P.R.China100191. Tel:+86(0)10-62304633-2512,Fax:+86(0)10-62304633-2504 Email:[email protected],website:www.caict.ac.cn Ver.3.3.22No.24T04Z100644-013 ©Copyright.AllrightsreservedbyCTTL. Page2of23 . REPORTHISTORY ReportNumberRevisionDescriptionIssueDate 24T04Z100644-013Rev.01 st edition2024-05-28 Note:thelatestrevisionofthetestreportsupersedesallpreviousversion. Ver.3.3.22No.24T04Z100644-013 ©Copyright.AllrightsreservedbyCTTL. Page3of23 . CONTENTS 1.TESTLABORATORY.............................................................................................................................4 1.1.INTRODUCTION&ACCREDITATION..........................................................................................4 1.2.TESTINGLOCATION.........................................................................................................................4 1.3.TESTINGENVIRONMENT...............................................................................................................4 1.4.PROJECTDATA...................................................................................................................................4 1.5.SIGNATURE..........................................................................................................................................4 2.CLIENTINFORMATION......................................................................................................................5 2.1.APPLICANTINFORMATION...........................................................................................................5 2.2.MANUFACTURERINFORMATION................................................................................................5 3.EQUIPMENTUNDERTEST(EUT)ANDANCILLARYEQUIPMENT(AE)...............................6 3.1.ABOUTEUT..........................................................................................................................................6 3.2.INTERNALIDENTIFICATIONOFEUT.........................................................................................6 3.3.INTERNALIDENTIFICATIONOFAE............................................................................................6 3.4.EUTSET-UPS........................................................................................................................................6 4.REFERENCEDOCUMENTS...................................................................................................................7 4.1.DOCUMENTSSUPPLIEDBYAPPLICANT...................................................................................7 4.2.REFERENCEDOCUMENTSFORTESTING.................................................................................7 5.TESTRESULTS.......................................................................................................................................8 6.TESTFACILITIESUTILIZED.............................................................................................................9 7.MEASUREMENTUNCERTAINTY...................................................................................................10 ANNEXA:EUTPARAMETERS.............................................................................................................11 ANNEXB:DETAILEDTESTRESULTS...............................................................................................12 ANNEXC:PERSONSINVOLVEDINTHISTESTING......................................................................23 Ver.3.3.22No.24T04Z100644-013 ©Copyright.AllrightsreservedbyCTTL. Page4of23 . 1.TestLaboratory 1.1.Introduction&Accreditation TelecommunicationTechnologyLabs,CAICTisanISO/IEC17025:2017accreditedtest laboratoryunderAmericanAssociationforLaboratoryAccreditation(A2LA)withlabcode7049.01, andisalsoanFCCaccreditedtestlaboratory(CN1349),andISEDaccreditedtestlaboratory (CABidentifier:CN0066).ThedetailaccreditationscopecanbefoundonA2LAwebsite. 1.2.TestingLocation Location1:CTTL(huayuanNorthRoad) Address:No.52,HuayuanNorthRoad,HaidianDistrict,Beijing, P.R.China100191 Location2:CTTL(BDA) Address:No.18A,KangdingStreet,BeijingEconomic-Technology DevelopmentArea,Beijing,P.R.China100176 1.3.TestingEnvironment NormalTemperature:15-35ºC RelativeHumidity:20-75% 1.4.Projectdata TestingStartDate:2024-05-23 TestingEndDate:2024-05-27 1.5.Signature ZhangYing (Preparedthistestreport) AnHui (Reviewedthistestreport) ZhangXia DeputyDirectorofthelaboratory (Approvedthistestreport) Ver.3.3.22No.24T04Z100644-013 ©Copyright.AllrightsreservedbyCTTL. Page5of23 . 2.ClientInformation 2.1.ApplicantInformation CompanyName:ShenzhenTinnoMobileTechnologyCorp. Address/Post: 27-001,SouthSideofTianlongMobileHeadquartersBuilding, TongfaSouthRoad,XiliCommunity,XiliStreet,NanshanDistrict,Sh enzhen,PRC Contact:xiaoping.li Email:[email protected] Telephone:0755-86095550 Fax:0755-86095551 2.2.ManufacturerInformation CompanyName:ShenzhenTinnoMobileTechnologyCorp. Address/Post: 27-001,SouthSideofTianlongMobileHeadquartersBuilding, TongfaSouthRoad,XiliCommunity,XiliStreet,NanshanDistrict,Sh enzhen,PRC Contact:xiaoping.li Email:[email protected] Telephone:0755-86095550 Fax:0755-86095551 Ver.3.3.22No.24T04Z100644-013 ©Copyright.AllrightsreservedbyCTTL. Page6of23 . 3.EquipmentUnderTest(EUT)andAncillaryEquipment(AE) 3.1.AboutEUT DescriptionSmartPhone ModelNameU572AA,U572AC FCCIDXD6U572AA Note:TheEUTfunctionsaredescribedinAnnexAofthistestreport.SpecificationsoftheEUT wereprovidedtofulfilthetest.Samplesundergoingtestwereselectedbytheclient…

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