2ASWWCORNX55Smart Phone

2021-05-20 Nemko Canada Inc 303 River Road Ottawa, Ontario, Canada K1V 1H2 Attn: Director of Certification Authority to Act as Agent On our behalf, I appoint Shenzhen Huatongwei International Inspection Co., Ltd./ 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China / Hans Hu,. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko Canada Inc, still resides with XINCHUANGXIN INTERNATIONAL CO.,LTD / ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL Agency agreement expiration date: May. 19, 2022 By: Lyra lv Signature Printed Title: sales On behalf of : XINCHUANGXIN INTERNATIONAL CO.,LTD Telephone: 18721759223

2021-05-20 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ASWWCORNX55 Product Name: Smart Phone Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics  Block diagram  Operation description  BOM  Tune up These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. By: Lyra lv Signature Printed Title: sales On behalf of : XINCHUANGXIN INTERNATIONAL CO.,LTD Telephone: 18721759223

Differences Declaration To whom concern, We company XINCHUANGXIN INTERNATIONAL CO. , LTD Here by declares: The produc t model(s) X55 Pro,X55 Lite,X55 Plus, X55 Max is the same PCB layout, electronic schematic and Antenna with X55,which tested in Shenzhen Huatongwei International Inspection Co., Ltd., the only differences between them are model names, others are same. YUEN STREET MONGKOK KL Te l : 18721759223 E-Mail: [email protected] Sincerely yours, Name (in print): Lyra Company name: XINCHUANGXIN INTERNATIONAL CO. , LTD Company address: ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA

7.EXTERNAL AND INTERNAL PHOTOS OF THE EUT External photos of the EUT Model:X55

Label & Location

Internal photos of the EUT M odel:X55

Page: 1 of 51 SAR TEST REPORT Report No. ...................................... : CHTEW21050019 Report verificaiton: Project No. ...................................... : SHT2103073010EW FCC ID ............................................. : 2ASWWCORNX55 Applicant’s name ........................... : XINCHUANGXIN INTERNATIONAL CO.,LTD Address ............................................. : ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL Test item description .................... : Smart Phone Trade Mark ....................................... : CORN Model/Type reference ....................... : X55 Listed Model(s) ................................. : X55 Pro, X55 Plus, X55 Max,X55 Lite Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1, 1999 Edition IEEE 1528: 2013 Date of receipt of test sample..........: Apr. 23, 2021 Date of testing..............................: Apr. 24, 2021- May. 07, 2021 Date of issue...............................: May. 08, 2021 Result .................. ........................: PASS Compiled by ( position+printedname+signature) ... : File administrators: Fanghui Zhu Supervised by ( position+printedname+signature) ... : Test Engineer: Patrick Qiu Approved by ( position+printedname+signature) ... : Manager: Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW21050019 Page: 2 of 51 Issued: 2021-05-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. Statement of Compliance 4 2. Test Standards and Report version 5 2.1. Test Standards 5 2.2. Report version 5 3. Summary 6 3.1. Client Information 6 3.2. Product Description 6 3.3. RF Specification Description 6 3.4. Testing Laboratory Information 8 3.5. Environmental conditions 8 4. Equipments Used during the Test 9 5. Measurement Uncertainty 10 6. SAR Measurements System Configuration 11 6.1. SAR Measurement Set-up 11 6.2. DASY5 E-field Probe System 12 6.3. Phantoms 13 6.4. Device Holder 13 7. SAR Test Procedure 14 7.1. Scanning Procedure 14 7.2. Data Storage and Evaluation 16 8. Position of the wireless device in relation to the phantom 18 8.1. Head Position 18 8.2. Body Position 19 8.3. Hotspot Mode Exposure conditions 19 9. Dielectric Property Measurements & System Check 20 9.1. Tissue Dielectric Parameters 20 9.2. System Check 22 10. SAR Exposure Limits 27 11. Conducted Power Measurement Results 28 11.1. GSM 28 11.2. WCDMA 29 11.3. Wi-Fi 31 11.4. Bluetooth 31 12. Maximum Tune-up Limit 32 13. Antenna Location 34 14. Measured and Reported SAR Results 35 14.1. Head SAR 37 14.2. Body SAR 40 14.3. Hotspot SAR 42 15. SAR Measurement Variability 44 16. Simultaneous Transmission analysis 45 16.1. Head 46 16.2. Body-worn 47 16.3. Hotspot 48 Report No.: CHTEW21050019 Page: 3 of 51 Issued: 2021-05-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 17. TestSetup Photos 49 18. External and Internal Photos of the EUT 51 Report No.: CHTEW21050019 Page: 4 of 51 Issued: 2021-05-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions PCE DTS Simultaneous TX Head 0.707 0.289 0.951 Body-worn(Dist.= 10mm) 0.726 0.144 0.870 Hotspot(Dist.= 10mm) 0.726 0.144 0.870 This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits (1.6 W/kg) specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2013 and FCC KDB publications. Report No.: CHTEW21050019 Page: 5 of 51 Issued: 2021-05-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency radiation exposure evaluation: portable devices. IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies 248227 D01 802 11 Wi-Fi SAR v02r02: SAR Measurement Proceduresfor802.11 a/b/g Transmitters 648474 D04 Handset SAR v01r03: SAR Evaluation Considerations for Wireless Handsets 941225 D01 3G SAR Procedures v03r01: SAR Measurement Procedures for 3G Devices 941225 D06 Hotspot Mode v02r01: SAR Evaluation Procedures for Portable Devices with Wireless Router Capabilities TCB workshop April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2.…

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Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 5/6/2021 GSM 850-Head Communication System: UID 0, Generic GPRS(TDMA, GMSK, TN 0-1-2) (0); Frequency: 836.6 MHz;Duty Cycle: 1:2.66993 Medium parameters used (interpolated): f = 836.6 MHz; σ = 0.931 S/m; ε r = 40.383; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.7°C;Liquid Temperature:22.5°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(10.41, 10.41, 10.41) @ 836.6 MHz; Calibrated: 4/9/2021 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 3/23/2021 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Head/CH 190/Area Scan (61x111x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.633 W/kg Head/CH 190/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 6.439 V/m; Power Drift = -0.19 dB Peak SAR (extrapolated) = 0.686 W/kg SAR(1 g) = 0.524 W/kg; SAR(10 g) = 0.399 W/kg Maximum value of SAR (measured) = 0.629 W/kg 0 dB = 0.629 W/kg = -2.01 dBW/kg Appendix A: SAR Test Data Plots Plot No.1 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 5/7/2021 GSM 1900-Head Communication System: UID 0, Generic GPRS(TDMA, GMSK, TN 0-1-2) (0); Frequency: 1880 MHz;Duty Cycle: 1:2.66993 Medium parameters used: f = 1880 MHz; σ = 1.465 S/m; ε r = 38.142; ρ = 1000 kg/m 3 Phantom section: Left Section Ambient Temperature:22.5°C;Liquid Temperature:22.3°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(8.55, 8.55, 8.55) @ 1880 MHz; Calibrated: 4/9/2021 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 3/23/2021 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Head/CH 661/Area Scan (61x111x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.467 W/kg Head/CH 661/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 6.694 V/m; Power Drift = -0.16 dB Peak SAR (extrapolated) = 0.553 W/kg SAR(1 g) = 0.353 W/kg; SAR(10 g) = 0.222 W/kg Maximum value of SAR (measured) = 0.480 W/kg 0 dB = 0.480 W/kg = -3.19 dBW/kg Appendix A: SAR Test Data Plots Plot No.2 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 5/7/2021 WCDMA Band II-Head Communication System: UID 0, Generic UMTS (0); Frequency: 1907.6 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 1907.6 MHz; σ = 1.452 S/m; ε r = 38.101; ρ = 1000 kg/m 3 Phantom section: Left Section Ambient Temperature:22.3°C;Liquid Temperature:22.1°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(8.55, 8.55, 8.55) @ 1907.6 MHz; Calibrated: 4/9/2021 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 3/23/2021 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Head/CH 9538/Area Scan (61x111x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.887 W/kg Head/CH 9538/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 7.997 V/m; Power Drift = -0.17 dB Peak SAR (extrapolated) = 1.11 W/kg SAR(1 g) = 0.674 W/kg; SAR(10 g) = 0.412 W/kg Maximum value of SAR (measured) = 0.949 W/kg 0 dB = 0.949 W/kg = -0.23 dBW/kg Appendix A: SAR Test Data Plots Plot No.3 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 5/6/2021 WCDMA Band V-Head Communication System: UID 0, Generic UMTS (0); Frequency: 826.4 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 826.4 MHz; σ = 0.925 S/m; ε r = 40.393; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.1°C;Liquid Temperature:21.9°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(10.41, 10.41, 10.41) @ 826.4 MHz; Calibrated: 4/9/2021 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 3/23/2021 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Head/CH 4132/Area Scan (61x111x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.314 W/kg Head/CH 4132/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 3.839 V/m; Power Drift = -0.10 dB Peak SAR (extrapolated) = 0.335 W/kg SAR(1 g) = 0.254 W/kg; SAR(10 g) = 0.192 W/kg Maximum value of SAR (measured) = 0.305 W/kg 0 dB = 0.305 W/kg = -5.16 dBW/kg Appendix A: SAR Test Data Plots Plot No.4 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 5/8/2021 WiFi 2.4G-Head Communication System: UID 0, Generic WIFI (0); Frequency: 2412 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2412 MHz; σ = 1.799 S/m; ε r = 37.635; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.2°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(7.97, 7.97, 7.97) @ 2412 MHz; Calibrated: 4/9/2021 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 3/23/2021 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Head/CH 1/Area Scan (81x141x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.408 W/kg Head/CH 1/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 8.780 V/m; Power Drift = -0.17 dB Peak SAR (extrapolated) = 0.495 W/kg SAR(1 g) = 0.261 W/kg; SAR(10 g) = 0.149 W/kg Maximum value of SAR (measured) = 0.401 W/kg 0 dB = 0.401 W/kg = -3.97 dBW/kg Appendix A: SAR Test Data Plots Plot No.5 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 5/6/2021 GSM 850-Body Communication System: UID 0, Generic GPRS(TDMA, GMSK, TN 0-1-2) (0); Frequency: 836.6 MHz;Duty Cycle: 1:2.66993 Medium parameters used (interpolated)…

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Appendix B: DAE and Probe Calibration Certificate 1 of 12 1.1.1. DAE4 Calibration Certificate Appendix B: DAE and Probe Calibration Certificate 2 of 12 Appendix B: DAE and Probe Calibration Certificate 3 of 12 Appendix B: DAE and Probe Calibration Certificate 4 of 12 1.2. Probe Calibration Certificate Appendix B: DAE and Probe Calibration Certificate 5 of 12 Appendix B: DAE and Probe Calibration Certificate 6 of 12 Appendix B: DAE and Probe Calibration Certificate 7 of 12 Appendix B: DAE and Probe Calibration Certificate 8 of 12 Appendix B: DAE and Probe Calibration Certificate 9 of 12 Appendix B: DAE and Probe Calibration Certificate 10 of 12 Appendix B: DAE and Probe Calibration Certificate 11 of 12 Appendix B: DAE and Probe Calibration Certificate 12 of 12

Appendix C: Dipole Calibration Certificate 1 of 21 1.1. D835V2 Dipole Calibration Certificate Appendix C: Dipole Calibration Certificate 2 of 21 Appendix C: Dipole Calibration Certificate 3 of 21 Appendix C: Dipole Calibration Certificate 4 of 21 Appendix C: Dipole Calibration Certificate 5 of 21 Appendix C: Dipole Calibration Certificate 6 of 21 Appendix C: Dipole Calibration Certificate 7 of 21 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, 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. Head-835 Date of measurement Return-loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021/1/22 -27.6 51.5 -3.95 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration. Appendix C: Dipole Calibration Certificate 8 of 21 1.2. D1900V2 Dipole Calibration Certificate Appendix C: Dipole Calibration Certificate 9 of 21 Appendix C: Dipole Calibration Certificate 10 of 21 Appendix C: Dipole Calibration Certificate 11 of 21 Appendix C: Dipole Calibration Certificate 12 of 21 Appendix C: Dipole Calibration Certificate 13 of 21 Appendix C: Dipole Calibration Certificate 14 of 21 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, 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. Head-1900 Date of measurement Return-loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021/1/22 -21.6 53.5 7.88 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration. Appendix C: Dipole Calibration Certificate 15 of 21 1.3. D2450V2 Dipole Calibration Certificate Appendix C: Dipole Calibration Certificate 16 of 21 Appendix C: Dipole Calibration Certificate 17 of 21 Appendix C: Dipole Calibration Certificate 18 of 21 Appendix C: Dipole Calibration Certificate 19 of 21 Appendix C: Dipole Calibration Certificate 20 of 21 Appendix C: Dipole Calibration Certificate 21 of 21 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, 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. Head-2450 Date of measurement Return-loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021/1/25 -27.4 53.9 2.04 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration.

Page: 1 of 26 FCC REPORT Report Reference No. .................... : CHTEW21050001 Report Verification: Project No.................................： SHT2103073009EW FCC ID ............................................. : 2ASWWCORNX55 Applicant’s name ........................... : XINCHUANGXIN INTERNATIONAL CO.,LTD Address ............................................. : ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL Test item description .................... : Smart Phone Trade Mark ....................................... : CORN Model/Type reference ....................... : X55 Listed Model(s) ................................. : X55 Pro, X55 Plus, X55 Max,X55 Lite Standard ......................................... : FCC CFR Title 47 Part 2 FCC CFR Title 47 Part 22 FCC CFR Title 47 Part 24 Date of receipt of test sample..........: Apr. 23, 2021 Date of testing..............................: Apr. 24, 2021- May. 06, 2021 Date of issue...............................: May. 07, 2021 Result .................. ........................: Pass Compiled by ( position+printedname+signature) ... : File administrators Silvia Li Supervised by (position+printedname+signature) .... : Project Engineer Aaron Fang Approved by (position+printedname+signature) .... : Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW21050001 Page: 2 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. TE S T S T AN D A R D S A N D R EP O R T V E R S I O N 3 1.1. Applicable Standards 3 1.2. Report version information 3 2. T E S T D E S C R I P T I O N 4 3. S U M M AR Y 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Operation state 6 3.4. EUT configuration 6 3.5. Modifications 6 4. T E S T E N V I R O N M E N T 7 4.1. Testing Laboratory Information 7 4.2. Equipments Used during the Test 8 4.3. Environmental conditions 9 4.4. Statement of the measurement uncertainty 9 5. T E S T C O N D I T I O N S A N D R E S U L T S 10 5.1. Conducted Output Power 10 5.2. Peak-to-Average Ratio 11 5.3. 99% Occupied Bandwidth & 26 dB Bandwidth 12 5.4. Band Edge 13 5.5. Conducted Spurious Emissions 14 5.6. Frequency stability VS Temperature measurement 15 5.7. Frequency stability VS Voltage measurement 16 5.8. ERP and EIRP 17 5.9. Radiated Spurious Emission 20 6. TE S T S E T U P P H O T O S O F T H E E U T 24 7. EX T E R N AL AN D I N T E R N AL P H O T O S O F T H E E U T 25 8. A P P E N D I X R E P O R T 31 Report No.: CHTEW21050001 Page: 3 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. TEST STANDARDS AND REPORT VERSION 1.1. Applicable Standards The tests were performed according to following standards: FCC Rules Part 2: FREQUENCY ALLOCATIONS AND RADIO TREATY MATTERS; GENERAL RULES AND REGULATIONS FCC Rules Part 22: PUBLIC MOBILE SERVICES FCC Rules Part 24: PERSONAL COMMUNICATIONS SERVICES TIA/EIA 603 E March 2016: Land Mobile FM or PM Communications Equipment Measurement and Performance Standards. ANSI C63.26-2015: American National Standard for Compliance Testing of Transmitters Used in Licensed Radio Services KDB 971168 D01 Power Meas License Digital Systems v03: MEASUREMENT GUIDANCE FOR CERTIFICATION OF LICENSED DIGITAL TRANSMITTERS 1.2. Report version information Revision No. Date of issue Description N/A 2021-05-07 Original Report No.: CHTEW21050001 Page: 4 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. Test Description Test Item Section in CFR 47 Result Test Engineer Conducted Output Power Part 2.1046 Part 22.913(a) Part 24.232(c) Pass Jiongsheng Feng Peak-to-Average Ratio Part 24.232 Pass Jiongsheng Feng 99% Occupied Bandwidth & 26 dB Bandwidth Part 2.1049 Part 22.917(b) Part 24.238(b) Pass Jiongsheng Feng Band Edge Part 2.1051 Part 22.917 Part 24.238 Pass Jiongsheng Feng Conducted Spurious Emissions Part 2.1051 Part 22.917 Part 24.238 Pass Jiongsheng Feng Frequency stability VS Temperature Part 2.1055(a)(1)(b) Part 22.355 Part 24.235 Pass Jiongsheng Feng Frequency stability VS Voltage Part 2.1055(d)(1)(2) Part 22.355 Part 24.235 Pass Jiongsheng Feng ERP and EIRP Part 22.913(a) Part 24.232(b) Pass Pan Xie Radiated Spurious Emissions Part 2.1053 Part 22.917 Part 24.238 Pass Pan Xie Note: The measurement uncertainty is not included in the test result. Report No.: CHTEW21050001 Page: 5 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3. SUMM ARY 3.1. Client Information Applicant: XINCHUANGXIN INTERNATIONAL CO.,LTD Address: ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL Manufacturer: Shenzhen Chiteng Technology Co.,LTD Address: Second Floor,Area A, Building 4, Huiye Technology Workshop, Guanguang Road, Tangjia Community, Gongming Street, Guangming New District, Shenzhen, Guangdong 3.2. Product Description Name of EUT: Smart Phone Trade Mark: CORN Model No.: X55 Listed Model(s): X55 Pro, X55 Plus, X55 Max,X55 Lite SIM Information: Support One SIM Card Power supply: DC 3.7V Adapter information: Mod…

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Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 1 of 30 APPENDIX REPORT Project No. SHT2103073009EW Radio Specification GSM Test sample No. YPHT21030730046 Model No. X55 Start test date 2021/4/27 Finish date 2021/4/27 Temperature 25°C Humidity 46% Test Engineer Jiongsheng.Feng Auditor Appendix clause Test item Result A Conducted Output Power PASS B Peak-to-Average Ratio PASS C 26 dB Bandwidth and Occupied Bandwidth PASS D Band edge PASS E Conducted Spurious Emission PASS F Frequency Stability PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 2 of 30 8.1 Appendix A: Conducted Output Power Test Result Band Channel PCL Power(dBm) Limit(dBm) Verdict GSM850 128 5 32.21 38.5 PASS GSM850 190 5 32.33 38.5 PASS GSM850 251 5 32.43 38.5 PASS GSM1900 512 0 29.59 33 PASS GSM1900 661 0 29.60 33 PASS GSM1900 810 0 29.46 33 PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 3 of 30 Band Channel PCL Slot Power(dBm) Limit(dBm) Verdict GPRS850 128 5 1 32.67 38.5 PASS GPRS850 128 5 2 31.21 38.5 PASS GPRS850 128 5 3 29.69 38.5 PASS GPRS850 128 5 4 28.06 38.5 PASS GPRS850 190 5 1 32.70 38.5 PASS GPRS850 190 5 2 31.60 38.5 PASS GPRS850 190 5 3 29.93 38.5 PASS GPRS850 190 5 4 28.42 38.5 PASS GPRS850 251 5 1 32.79 38.5 PASS GPRS850 251 5 2 31.50 38.5 PASS GPRS850 251 5 3 29.72 38.5 PASS GPRS850 251 5 4 28.19 38.5 PASS GPRS1900 512 0 1 29.54 33 PASS GPRS1900 512 0 2 27.93 33 PASS GPRS1900 512 0 3 26.35 33 PASS GPRS1900 512 0 4 24.22 33 PASS GPRS1900 661 0 1 29.48 33 PASS GPRS1900 661 0 2 28.07 33 PASS GPRS1900 661 0 3 26.60 33 PASS GPRS1900 661 0 4 24.50 33 PASS GPRS1900 810 0 1 29.30 33 PASS GPRS1900 810 0 2 28.12 33 PASS GPRS1900 810 0 3 26.44 33 PASS GPRS1900 810 0 4 24.35 33 PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 4 of 30 8.2 Appendix B: Peak-to-Average Ratio Test Result Band Channel Peak-to-Average Ratio(dB) Limit(dBm) Verdict GSM850 128 2.72 13 PASS GSM850 190 2.72 13 PASS GSM850 251 2.72 13 PASS GPRS850 128 2.71 13 PASS GPRS850 190 2.71 13 PASS GPRS850 251 2.72 13 PASS GSM1900 512 2.69 13 PASS GSM1900 661 2.69 13 PASS GSM1900 810 2.69 13 PASS GPRS1900 512 2.70 13 PASS GPRS1900 661 2.70 13 PASS GPRS1900 810 2.69 13 PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 5 of 30 Test Graphs GSM850-128 GSM850-190 GSM850-251 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 6 of 30 GPRS850-128 GPRS850-190 GPRS850-251 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 7 of 30 GSM1900-512 GSM1900-661 GSM1900-810 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 8 of 30 GPRS1900-512 GPRS1900-661 GPRS1900-810 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 9 of 30 8.3 Appendix C: 26dB Bandwidth and Occupied Bandwidth Test Result Band Channel Occupied Bandwidth (kHz) 26dB Bandwidth (kHz) Limit(kHz) Verdict GSM850 128 243.71 311.1 --- PASS GSM850 190 244.30 314.0 --- PASS GSM850 251 247.51 319.3 --- PASS GPRS850 128 244.67 313.7 --- PASS GPRS850 190 246.21 313.3 --- PASS GPRS850 251 245.90 317.9 --- PASS GSM1900 512 246.12 322.5 --- PASS GSM1900 661 247.09 315.5 --- PASS GSM1900 810 247.18 320.3 --- PASS GPRS1900 512 245.48 318.1 --- PASS GPRS1900 661 246.44 312.2 --- PASS GPRS1900 810 246.99 315.3 --- PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 10 of 30 Test Graphs GSM850-128 GSM850-190 GSM850-251 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 11 of 30 GPRS850-128 GPRS850-190 GPRS850-251 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 12 of 30 GSM1900-512 GSM1900-661 GSM1900-810 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 13 of 30 GPRS1900-512 GPRS1900-661 GPRS1900-810 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 14 of 30 8.4 Appendix D: Band Edge Test Result Band Channel Value(dBm) Limit(dBm) Verdict GSM850 128 -27.47 -13 PASS GSM850 251 -25.82 -13 PASS GPRS850 128 -27.94 -13 PASS GPRS850 251 -26.83 -13 PASS GSM1900 512 -28.80 -13 PASS GSM1900 810 -27.82 -13 PASS GPRS1900 512 -28.54 -13 PASS GPRS1900 810 -28.17 -13 PASS Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 15 of 30 Test Graphs GSM850-128 GSM850-251 GPRS850-128 Project No.: SHT2103073009EW Radio Specification: GSM Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 16 of 30 GPRS850-251 GSM1900-512 GSM1900-810 P…

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