2ACXS-HG04Mobile Phone

Huadoo HG04 Mobile Phone Quick Guide Thank you for purchasing the HG04 mobile phone. Please read the instructions in this manual carefully to keep your mobile phone in an optimal state. User Information: Our company’s products have obtained 3 rd party certification and have passed waterproof tests before they leave our factory. Generally, it is difficult to identify the artificial factors that cause water damage for outgoing products. Therefore, it is hereby stated that water damage for outgoing products is beyond the scope of free swapping-old-for new, free maintenance and return &refund. The OS can only be updated by official version. In case that users use non-official system, users should shoulder the safety risk and loss arising from that. (The possible risks include leakage of personal information, automatic sending SMS, location your position and etc.) Water droplets on the screen may affect touch screen sensitivity, causing operation errors. Please wipe dry any water droplets before continuing to use. Disclaimer laws, Huadoo will not compensate for any special, attached, indirect and secondary damages that are produced by using relevant content and descriptions in this manual, as well as pay for any loss of profit, data, goodwill or expected savings. Maximum liability on suffering any loss is limited to the purchase price paid by you (Damages will be compensated according to provisions of applicable laws unless it is a case of personal injury). Safety matters and environment protection  Please use hands-free devices to make or receive phone calls while driving, or use the mobile phone after parking the vehicle. Medical Devices: Please turn off the mobile phone in case you are near medical devices that are marked with “wireless devices are forbidden” or in case you are in a hospital.  Turn off the mobile phone onboard airplanes and confirm that the alarm clock or auto power-on settings are cancelled, so as to prevent auto power-on.  Waste batteries should be placed in battery recycling bins and should not be discarded.  Avoid using the mobile phone under too high or too low temperature environments. Avoid exposing the mobile phone under intense sunlight or high humidity environments during thunderstorms.  Ensure the battery cover, lock screw, screw hole rubber plug, earphone and USB rubber plugs are perfectly closed while using near water, or in case the phone may get drenched, so as to ensure the phone remains water proof and dust proof.  During vehicle refueling: Please don’t use this device near petrol stations, flammable fuel and chemicals.  Avoid using at explosive blasting areas: Turn off the mobile phone at any blasting site and follow relevant regulations.  Original package accessories: Please use original package accessories and batteries to ensure optimum performance. Please do not connect any incompatible accessories.  Do not disassemble the mobile phone. Please visit authorized service centers for any maintenance requirements.  Please use the mobile phone within mobile phone network coverage area.  Emergency calls: You can use the mobile phone to directly dial 112 to connect to local emergency services.  Data backup: Please back up important information that is stored on the device to avoid data loss. 1. Getting Started 1.1 Product Appearance and Button and Key Descriptions: 1.Earphone jack and USB battery charging port 2 .Earpiece; 3. Front Camera 4. Custom Key 5. Microphone; 6. Dial button; 7. distance/light sensor 8. Touch screen 9. Power Key, Hang-up Key (long press for 10s to restart mobile phone) 10. Volume “+” 11. Volume “-” 12.Rear camera 13. Loudspeaker 14. Flashlight/ can be used as electric torch 15. battery cover 16. Screw lock. 1.2 Installing and removing SIM card/Micro SD-card and Battery: 1. Open the back cover: First, rotate battery cover lock screws to the left until cover is loosened. Remove back cover and then remove battery. 2. Put the SIM card and Micro-SD Card chip-sides facing down into corresponding card slots, and lock them properly 3.Install the back cover and fasten ○ ！ Turn battery cover lock screws to the right until the cover is fastened ○ ！Turn battery cover lock screws to the left until it’s loosened 5.Charge 6.To turn on/off power display, press the power button to s witch on/off Ensure battery cover, battery cover lock screw, screw hole rubber plugs, earphone and USB rubber plugs are perfectly closed to prevent water and dust from entering. There will be no specific mention of this cautionary notice again in the remainder of this manual. Please turn off the mobile phone and disconnect the battery charger from the phone prior to installing / uninstalling the SIM card. 1.3 Mobile Phone Specifications Phone Type 4G Super Slim tri-proof Smart mobile Operating System Android4.4.2 Frequency: GSM/GPRS/EDGE 4 freq ： 850/900/1800/1900 ○ ！ Press and hold the button (If the mobile phone is in freezing state, long press this key for 10s to restart) WCDMA：850/900/1900/2100 FDD -LTE B1/B3/B7/B20 Size (149*75.6*14.8) mm Weight 245 g Chip MSM8926 （Quad -Core 1.2MHz） Default memory capacity ROM：16GB RAM：2GB Micro-SD card maximum supported 32GB Display 4.7 ''（HD） PX: 720* 1280 Dual SIM Dual Standby Dual SIM Dual Standby Network type FDD -LTE, WCDMA,GPRS,EDGE、WAP Battery capacity 3800mAh Operating temperature -20°C to 55°C Call time GSM> H，WCDMA> H，FDD-LTE> H Stand-by time About hours (depends on actual network conditions ) MMS/ E-Mail /address book Supported (Address Book supports groups) Video call \ Speakerphone Supported / Supports video call over mobile data Call forwarding / call waiting Depends on network support Camera (video recording) Front Camera-500w, Rear camera 1300w; Supported photo size max: 3120 × 4280 Supports flash photography mode \ Flashlight Video player Supported audio file formats: MP3,MIDI,AMR,AAC,WAV, Supported video file formats: MPEG4,3GP,MP4,AVI,MJPG GPS Supported FM/Sound recorder / MP3 Supported Earphone jack ty…

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Shenzhen Huadoo Bright Group Limited Date: 15 May, 2015 To : Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The Shenzhen Huadoo Bright Group Limited, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co.,Ltd., to act on the behalf of the Shenzhen Huadoo Bright Group Limited solely in matters relating to the application for an FCC equipment authorization for FCC ID # 2ACXS-HG04 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. on our behalf of the Shenzhen Huadoo Bright Group Limited in connection with the Application shall have the same effect as acts of the Shenzhen Huadoo Bright Group Limited. The Shenzhen Huadoo Bright Group Limited also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Thank you for your attention to this matter. Yours Sincerely, Terry Yuan [email protected] Shenzhen Huadoo Bright Group Limited

Shenzhen Huadoo Bright Group Limited Date: 15 May, 2015 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Shenzhen Huadoo Bright Group Limited FCC ID: 2ACXS-HG04 FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Shenzhen Huadoo Bright Group Limited requests that the following documents regarding this submission for FCC ID: 2ACXS-HG04 be kept confidential: Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Circuit Diagram.pdf Operational Description circuit description for fcc.pdf Part list BOM.pdf Tune-Up-Procedure Tune up procedure.pdf Those documents contain detailed system and equipment description and related information about the product which Shenzhen Huadoo Bright Group Limited considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Shenzhen Huadoo Bright Group Limited considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, Terry Yuan [email protected] Shenzhen Huadoo Bright Group Limited

ANNEX C EUT PHOTOS C.1 Appearance of the EUT THE FRONT OF EUT THE BACK OF EUT 2 / 4 THE LEFT OF EUT THE RIGHT OF EUT 3 / 4 THE UP OF EUT THE DOWN OF EUT 4 / 4 THE PHOTO OF USB CABLE CHARGER

ANNEX C EUT PHOTOS C.2 Inside of the EUT EUT UNCOVER VIEW 1 EUT UNCOVER VIEW 2 BT/WIFI Antenna GSM/WCDMA/LTE Main Antenna Diversity Antenna 2 / 7 BATTERY MAIN BOARD TOP VIEW 1 3 / 7 MAIN BOARD BACK VIEW 1 MAIN BOARD TOP VIEW 2 4 / 7 MAIN BOARD BACK VIEW 2 MAIN BOARD TOP VIEW 3 5 / 7 MAIN BOARD BACK VIEW 3 MAIN BOARD TOP VIEW 4 6 / 7 MAIN BOARD BACK VIEW 4 MAIN BOARD TOP VIEW 5 7 / 7 MAIN BOARD BACK VIEW 5

Report No.: BL-SZ1550013-701 2 / 90 Revision History Version Issue Date Revisions Rev. 01 May 25, 2015 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION .................................................................................................................... 4 1.1 Identification of the Testing Laboratory ..................................................................................... 4 1.2 Identification of the Responsible Testing Location .................................................................... 4 1.3 Test Environment Condition ..................................................................................................... 4 1.4 Announce ................................................................................................................................. 4 2 PRODUCT INFORMATION ................................................................................................................... 6 2.1 Applicant .................................................................................................................................. 6 2.2 Manufacturer ............................................................................................................................ 6 2.3 General Description for Equipment under Test (EUT) ............................................................... 6 2.4 Technical Information ............................................................................................................... 6 2.5 Ancillary Equipment .................................................................................................................. 7 3 SUMMARY OF TEST RESULT ............................................................................................................. 8 3.1 Test Standards ......................................................................................................................... 8 3.2 Device Categoryand SAR Limit ................................................................................................ 8 3.3 Test Result Summary ............................................................................................................. 10 3.4 Test Uncertainty ..................................................................................................................... 11 4 MEASUREMENT SYSTEM ................................................................................................................. 13 4.1 Specific Absorption Rate (SAR) Definition .............................................................................. 13 4.2 DASY SAR System ................................................................................................................ 13 5 SYSTEM VERIFICATION .................................................................................................................... 19 5.1 Purpose of System Check ...................................................................................................... 19 5.2 System Check Setup .............................................................................................................. 19 6 TEST POSITION CONFIGURATIONS ................................................................................................ 20 6.1 Head Exposure Conditions ..................................................................................................... 20 6.2 Body-worn Position Conditions ............................................................................................... 21 6.3 Hotspot Mode Exposure Position Conditions .......................................................................... 22 Report No.: BL-SZ1550013-701 3 / 90 7 MEASUREMENT PROCEDURE ......................................................................................................... 23 7.1 Measurement Process Diagram ............................................................................................. 23 7.2 SAR Scan General Requirement ............................................................................................ 24 7.3 Measurement Procedure ........................................................................................................ 25 7.4 Area & Zoom Scan Procedure ................................................................................................ 25 8 CONDUCTED RF OUPUT POWER .................................................................................................... 26 9 TEST EXCLUSION CONSIDERATION ............................................................................................... 29 9.1 SAR Test Exclusion Consideration Table ............................................................................... 30 9.2 10g Extremity Exposure Consideration ................................................................................... 31 10 TEST RESULT .................................................................................................................................... 32 10.1Head SAR (1 g Value) ............................................................................................................. 32 10.2 Body-worn and Hotspot Mode SAR (10mm Separation) ......................................................... 33 10.3 SAR Measurement Variability ................................................................................................. 35 11 SIMULTANEOUS TRANSMISSION..................................................................................................... 36 11.1 Simultaneous Transmission Mode Consideration ................................................................... 36 11.2 Estimated SAR Calculation ..................................................................................................... 36 11.3 Sum SAR of Simultaneous Transmission ............................................................................... 37 12 TEST EQUIPMENTS LIST ........................................…

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Report No.: BL-SZ1550013-604 2 / 147 Revision History Version Issue Date Revisions Rev. 01 May. 22, 2015 Initial Issue TABLE OF CONTENTS 1 ADMINISTRATIVE DATA (GENERAL INFORMATION) ........................................................................ 4 1.1 Identification of the Testing Laboratory ............................................................................................ 4 1.2 Identification of the Responsible Testing Location ........................................................................... 4 1.3 Announce ........................................................................................................................................ 4 2 PRODUCT INFORMATION ................................................................................................................... 5 2.1 Applicant ......................................................................................................................................... 5 2.2 Manufacturer ................................................................................................................................... 5 2.3 General Description for Equipment under Test (EUT) ..................................................................... 5 2.4 Technical Information ...................................................................................................................... 5 2.5 Ancillary Equipment ......................................................................................................................... 6 3 SUMMARY OF TEST RESULTS ........................................................................................................... 7 3.1 Test Standards ................................................................................................................................ 7 3.2 Verdict ............................................................................................................................................. 7 3.3 Table for Carrier Frequency ............................................................................................................ 8 4 GENERAL TEST CONFIGURATIONS .................................................................................................. 9 4.1 Test Environments .......................................................................................................................... 9 4.2 Test Equipment List ......................................................................................................................... 9 4.3 Test Configurations ....................................................................................................................... 10 4.4 Description of Test Setup .............................................................................................................. 13 4.4.1 For Antenna Port Test ............................................................................................................ 13 4.4.2 For Frequency Stability Test ................................................................................................... 13 4.4.3 For Radiated Test (30 MHz-1 GHz) ........................................................................................ 14 4.4.4 For Radiated Test (Above 1 GHz) .......................................................................................... 14 5 TEST ITEMS ....................................................................................................................................... 15 Report No.: BL-SZ1550013-604 3 / 147 5.1 Transmitter Radiated Power (EIRP/ERP) ...................................................................................... 15 5.1.1 Limit ........................................................................................................................................ 15 5.1.2 Test Procedure ....................................................................................................................... 15 5.2 Peak to average ratio .................................................................................................................... 16 5.2.1 Limit ........................................................................................................................................ 16 5.2.2 Test Procedure ....................................................................................................................... 16 5.3 Occupied Bandwidth ..................................................................................................................... 17 5.3.1 Limit ........................................................................................................................................ 17 5.3.2 Test Procedure ....................................................................................................................... 17 5.4 Frequency Stability ........................................................................................................................ 18 5.4. 1 Limit ........................................................................................................................................ 18 5.4.2 Test Procedure ....................................................................................................................... 18 5.5 Spurious Emission at Antenna Terminals ...................................................................................... 19 5.5.1 Limit ........................................................................................................................................ 19 5.5.2 Test Procedure ....................................................................................................................... 19 5.6 Band Edge .................................................................................................................................... 20 5.6.1 Limit ..........................................................................…

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ANNEX B TEST SETUP PHOTOS B.1. Conducted Test Photo B.2. Radiated Test Photo