XD6U668AASmart Phone

1 AT&T Motivate Max User Guide ™ 2 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 About the user guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Set up your phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Parts and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Battery use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Install a SIM/SD card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Turn your phone on and off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Use the touch screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Complete the setup screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Basic operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Home screen and Apps list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Phone settings menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Portrait and landscape screen orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Capture screenshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Phone number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Airplane mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Enter text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Google Account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Lock and unlock your screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 Home screen basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 Status bar and Notification panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Customize the Home screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Making connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Contents 3 Make a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Call settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 Add a contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 Edit a contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 Delete a contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Share a contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Text and multimedia messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Chat features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90 Messages settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Gmail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 Internet and social networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Chrome browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Facebook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Transfer files between your phone and a computer . . . . . . . . . . . . . . . . . . . . . . . . . .99 Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Apps and entertainment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109 Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…

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Shenzhen Tinno Mobile Technology Corp. 022818–11 AuthoritytoActasAgent Date: _2022/06/09_ American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern: ______Shenzhen Academy of Information and Communication Technology______ 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. Thank you, Agency Agreement Expiration Date: _____(Typically 8 – 12 months)_____ By:____________________________xiaoping.li_____ (Signature 1 )(Print name) Title:____Product certification manager_ ______________ On behalf of: ___Shenzhen Tinno Mobile Technology Corp. ___ (Company Name) Telephone: __0755-86095550 __ 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. 022818–11 Request for Confidentiality Date: _2022/06/09_ Subject: Confidentiality Request for: _____XD6U668AA_____ Pursuant to FCC 47 CFR 0.457(d) and 0.459 the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality RequestedExhibit ☐ Short Term ☒ PermanentBlock Diagrams ☒ Short TermExternal Photos ☒ Short Term ☐ Permanent * 2 Internal Photos ☐ Short Term ☒ PermanentOperation Description/Theory of Operation ☐ Short Term ☒ PermanentTune-Up Procedure ☐ Short Term ☒ PermanentSchematics ☒ Short TermTest Setup Photos ☒ Short Term ☐ Permanent * 3 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: 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. NOTE for Industry Canada Applications: IC currently only distinguishes Permanent Confidentiality exhibits as shown above. Short Term confidentiality is not considered applicable to IC applications. Sincerely, By:_______xiaoping.li _______ (Signature/Title 3 )(Print name) 2 - 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. 3 - 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 Product Change Description As the applicant of the below model, [ Shenzhen Tinno Mobile Technology Corp. ] declares that the product, Model name : U668AC HardWare:V1.0 SoftWare: U668ACV01.03.10 SVN:01 is the variant/ECO/... of the initial certified product, Model name : U668AA HardWare:V1.0 SoftWare: U668AAV01.11.10 SVN:01 SOFTWARE MODIFICATIONS:  Protocol Stack changes: No MMS/STK changes: No  AGPS/SUPLchanges: No  DM/FUMO changes: No Java changes: No  Other changes detailed: UI difference HARDWARE MODIFICATIONS: Band changes: No  Power Amplifier changes: No Antenna changes: No  PCB Layout changes: No  Main RF components changes:No Voltage changes: No FM changes: No LCD/ Speaker/ Camera/ Vibrator changes: No  Vibrator changes: No  Bluetooth changes: No Other changes detailed: No HCI/SWP/TS 27  Android version changes: No NFC chipset changes: No  Other changes detailed:No MECHANICAL MODIFICATIONS: Use new metal front/back cover or keypad: No Mechanical shell changes: No 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  Other changes detailed: Side key/middle front/battery cover/FP sensor have difference color, there are different brand silk on the battery cover. ACCESSORY MODIFICATIONS:  Battery changes: No  AC Adaptor changes: No Earphone changes: No  Other changes detailed:No APPROVED BY: Lei Zhang Company: Shenzhen Tinno Mobile Technology Corp. Tel: 0755-86095550 Fax: 0755-86095551 Signature: Date: 2022/5/6

Front Back Bottom Top Side Side Charger1 Charger1-1 Cable1 Cable2 battery

Front Back Bottom Top Side Side Charger1 Charger1-1 Cable1 Cable2 battery

TEST REPORT No.I22N00887-SAR For Shenzhen Tinno Mobile Technology Corp. Smart Phone Model Name: U668AA, U668AC With Hardware Version: V1.0 Software Version: U668AAV01.11.10, U668ACV01.03.10 FCC ID: XD6U668AA Issued Date: 2022-06-08 Designation Number: CN1210 Note: The test results in this test report relate only to the devices specified in this report. This report shall not be reproduced except in full without the written approval of SAICT. Test Laboratory: SAICT, Shenzhen Academy of Information and Communications Technology Building G, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian District, Shenzhen, Guangdong, P. R. China 518000. Tel:+86(0)755-33322000, Fax:+86(0)755-33322001 Email: [email protected]. www.saict.ac.cn No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 2 of 216 REPORT HISTORY Report Number Revision Description Issue Date I22N00887-SAR Rev.0 1st edition 2022-06-08 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 3 of 216 TCONTENTS 1. SUMMARY OF TEST REPORT ................................................................................................... 5 1.1. TEST ITEMS .................................................................................................................................... 5 1.2. TEST STANDARDS ........................................................................................................................... 5 1.3. TEST RESULT .................................................................................................................................. 5 1.4. TESTING LOCATION ......................................................................................................................... 5 1.5. PROJECT DATA ............................................................................................................................... 5 1.6. SIGNATURE ..................................................................................................................................... 5 2. STATEMENT OF COMPLIANCE ................................................................................................. 6 3. CLIENT INFORMATION ............................................................................................................... 9 3.1. APPLICANT INFORMATION ................................................................................................................. 9 3.2. MANUFACTURER INFORMATION ........................................................................................................ 9 4. EQUIPMENT UNDER TEST (EUT) AND ANCILLARY EQUIPMENT (AE) .............................. 10 4.1. ABOUT EUT .................................................................................................................................. 10 4.2. INTERNAL IDENTIFICATION OF EUT USED DURING THE TEST .............................................................. 11 4.3. INTERNAL IDENTIFICATION OF AE USED DURING THE TEST ................................................................. 11 5. TEST METHODOLOGY ............................................................................................................. 12 5.1. APPLICABLE LIMIT REGULATIONS.................................................................................................... 12 5.2. APPLICABLE MEASUREMENT STANDARDS ....................................................................................... 12 6. SPECIFIC ABSORPTION RATE (SAR) ..................................................................................... 13 6.1. INTRODUCTION .............................................................................................................................. 13 6.2. SAR DEFINITION ........................................................................................................................... 13 7. TISSUE SIMULATING LIQUIDS ................................................................................................ 14 7.1. TARGETS FOR TISSUE SIMULATING LIQUID ....................................................................................... 14 7.2. DIELECTRIC PERFORMANCE .......................................................................................................... 14 8. SYSTEM VERIFICATION ........................................................................................................... 19 8.1. SYSTEM SETUP ............................................................................................................................. 19 8.2. SYSTEM VERIFICATION .................................................................................................................. 20 9. MEASUREMENT PROCEDURES ............................................................................................. 21 9.1. TESTS TO BE PERFORMED .............................................................................................................. 21 9.2. GENERAL MEASUREMENT PROCEDURE .......................................................................................... 23 9.3. WCDMA MEASUREMENT PROCEDURES FOR SAR ......................................................................... 24 9.4. SAR MEASUREMENT FOR LTE ....................................................................................................... 25 9.5. BLUETOOTH & WLAN MEASUREMENT PROCEDURES FOR SAR ....................................................... 25 9.6. POWER DRIFT ............................................................................................................................... 26 10. CONDUCTED OUTPUT POWER ............................................................................................ 27 10.1. WCDMA MEASUREMENT RESULT ................................................................................................ 27 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 4 of 216 10.2. LTE MEASUREMENT RESULT ................................…

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No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 153 of 216 ANNEX H: Probe Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 154 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 155 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 156 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 157 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 158 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 159 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 160 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 161 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 162 of 216 ANNEX I: Dipole Calibration Certificate 750MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 163 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 164 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 165 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 166 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 167 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 168 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 169 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 170 of 216 835MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 171 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 172 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 173 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 174 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 175 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 176 of 216 1750MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 177 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 178 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 179 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 180 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 181 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 182 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 183 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 184 of 216 1900MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 185 of 216

No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 186 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 187 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 188 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 189 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 190 of 216 2300MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 191 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 192 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 193 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 194 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 195 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 196 of 216 2450MHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 197 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 198 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 199 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 200 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 201 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 202 of 216 5GHz Dipole Calibration Certificate No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 203 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 204 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 205 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 206 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 207 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 208 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 209 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 210 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 211 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 212 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 213 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 214 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 215 of 216 No.I22N00887-SAR ©Copyright. All rights reserved by SAICT Page 216 of 216 ANNEX J: Extended Calibration SAR Dipole Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dBm, within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Justification of Extended Calibration SAR Dipole D750V3– serial no.1163 Head Date of Measurement Return-Loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary Impedance (johm) Delta (johm) 2019-09-03 -26.9 / 50.5 / -4.53 / 2020-09-01 -25.8 4.1 51.2 0.7 -4.29 0.24 2021-08-30 -25.2 6.3 51.7 1.2 -4.16 0.37 Justification of Extended Calibration SAR Dipole D1750V2– serial no.1152 Head Date of Measurement Return-Loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary Impedance (johm) Delta (johm) 2019-08-30 -38.1 / 49.1 / -0.84 / 2020-08-28 -36.5 4.2 50.2 1.1 -0.49 0.35 2021-08-26 -35.7 6.3 50.8 1.7 -0.42 0.42 Justification of Extended Calibration SAR Dipole D5GHzV2– serial no.1238 Head Date of Measurement Return-Loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary Impedance (johm) Delta (johm) 5250MHz 2019-08-29 -26.2 / 48.8 / -4.65 / 2020-08-28 -25.1 4.2 49.7 0.9 -4.26 0.39 2021-08-26 -24.7 5.7 50.2 1.4 -4.01 0.64 5600MHz 2019-08-29 -40.0 / 49.2 / 0.58 / 2020-08-28 -38.1 4.8 50.3 1.1 0.85 0.27 2021-08-26 -37.7 5.7 50.8 1.6 0.92 0.34 5750MHz 2019-08-29 -39.0 / 50.3 / 1.08 / 2020-08-28 -37.7 3.3 51.1 0.8 1.44 0.36 2021-08-26 -37.2 4.6 51.6 1.3 1.53 0.45 The Return-Loss is <-20dB, and within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the value result should support extended cabration. ***END OF REPORT***

©Copyright.AllrightsreservedbySAICT. TESTREPORT No.I22N00887-BLE for ShenzhenTinnoMobileTechnologyCorp. SmartPhone ModelName:U668AA/U668AC with HardwareVersion:V1.0 SoftwareVersion:U668AAV01.11.10/U668ACV01.03.10 FCCID:XD6U668AA IssuedDate:2022-06-07 DesignationNumber:CN1210 Note: Thetestresultsinthistestreportrelateonlytothedevicesspecifiedinthisreport.Thisreportshallnotbe reproducedexceptinfullwithoutthewrittenapprovalofSAICT. TestLaboratory: SAICT,ShenzhenAcademyofInformationandCommunicationsTechnology BuildingG,ShenzhenInternationalInnovationCenter,No.1006ShennanRoad,FutianDistrict,Shenzhen, Guangdong,P.R.China518000. Tel:+86(0)755-33322000,Fax:+86(0)755-33322001 Email:[email protected] No.I22N00887-BLE ©Copyright.AllrightsreservedbySAICT.Page 2 of 51 CONTENTS CONTENTS.....................................................................................................................................................2 1.SUMMARYOFTESTREPORT...........................................................................................................3 1.1.TESTITEMS........................................................................................................................................3 1.2.TESTSTANDARDS..............................................................................................................................3 1.3.TESTRESULT......................................................................................................................................3 1.4.TESTINGLOCATION............................................................................................................................3 1.5.PROJECTDATA....................................................................................................................................3 1.6.SIGNATURE.........................................................................................................................................3 2.CLIENTINFORMATION.....................................................................................................................4 2.1.APPLICANTINFORMATION.................................................................................................................4 2.2.MANUFACTURERINFORMATION........................................................................................................4 3.EQUIPMENTUNDERTEST(EUT)ANDANCILLARYEQUIPMENT(AE)..............................5 3.1.ABOUTEUT.......................................................................................................................................5 3.2.INTERNALIDENTIFICATIONOFEUTUSEDDURINGTHETEST...........................................................5 3.3.INTERNALIDENTIFICATIONOFAEUSEDDURINGTHETEST..............................................................5 3.4.GENERALDESCRIPTION.....................................................................................................................6 4.REFERENCEDOCUMENTS...............................................................................................................7 4.1.DOCUMENTSSUPPLIEDBYAPPLICANT..............................................................................................7 4.2.REFERENCEDOCUMENTSFORTESTING.............................................................................................7 5.TESTRESULTS......................................................................................................................................8 5.1.TESTINGENVIRONMENT....................................................................................................................8 5.2.TESTRESULTS....................................................................................................................................8 5.3.STATEMENTS......................................................................................................................................8 6.TESTEQUIPMENTSUTILIZED........................................................................................................9 7.LABORATORYENVIRONMENT.....................................................................................................10 8.MEASUREMENTUNCERTAINTY...................................................................................................11 ANNEXA:DETAILEDTESTRESULTS..................................................................................................12 TESTCONFIGURATION.................................................................................................................................12 A.0ANTENNAREQUIREMENT......................................................................................................................15 A.1MAXIMUMPEAKOUTPUTPOWER........................................................................................................16 A.2PEAKPOWERSPECTRALDENSITY........................................................................................................17 A.36DBBANDWIDTH..................................................................................................................................21 A.4BANDEDGESCOMPLIANCE.......................................................…

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