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MF28G LTE Modem
After-sales Service Manual (Level 1)
for Sweden H3G

Version 1.0

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Summary of Contents for MF28G

Page 1: ...MF28G LTE Modem After sales Service Manual Level 1 for Sweden H3G Version 1 0 ...

Page 2: ...rchantability fitness for a particular purpose title or non infringement ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applica tions covering the subject matter of this document Except as expressly provided in any...

Page 3: ...d System Requirements 11 3 1 2 Data Cable 11 3 1 3 Service Software 11 3 1 4 Cautions 11 3 2 Set IP Address 12 3 3 Install Download Platform 15 3 4 Download Software 15 3 5 Export Download Information File 19 4 Disassembly 23 4 1 Disassembly Tools 23 4 2 Exploded View 23 4 3 Disassembly Flow Chart 24 4 4 Disassembly Steps 25 4 5 Composing 33 5 Principle and Mainboard 35 5 1 Principle Block Diagram...

Page 4: ...Abnormal Indicating Light 40 6 6 USIM Card Unidentified 41 6 7 Download Failure 41 6 8 WAN Connection Failure 42 6 9 Wi Fi Failure 42 6 10 No Signal 43 7 Appendix 45 7 1 After Sales Technical Support Website 45 ZTE Confidential Page 2 of 48 ...

Page 5: ... 3 Ethernet Cable 1 4 Quick User Guide 1 1 3 Specifications Frequency band WCDMA 900 2100MHz LTE 800 2600MHz Dimensions 202mm 160mm 30 5mm Length Width Height Weight about 550g Power adapter 12V 4 RJ45 interfaces 2 RJ11 interfaces USB 2 0 1 4 Main Functions Support high speed wireless data Support PSTN phone and VOIP phone Support connecting to WAN ZTE Confidential Page 1 of 48 ...

Page 6: ... Support 16 WiFi users simultaneously Support IE 7 0 and later Firefox 3 0 and later Opera 10 0 and later Chrome 10 0 and later Support Windows XP Vista 7 MAC Linux ZTE Confidential Page 2 of 48 ...

Page 7: ... do not replay Power adapter UISM card ethernet cable 3 Inter net con nection test Connect the modem to computer and make internet connection setting refer to User Manual for details Open IE browser and check whether you can log on to web site for the modems with internet connection function only Power adapter UISM card ethernet cable and computer Test the modem from step 1 to 3 Stop test if you f...

Page 8: ...t Set your computer s IP address subnet mask and default gateway before function test Insert the USIM card provided by local service provider into the modem otherwise some functions of the modem are unusable We use the USIM card of China mobile operator to do the test for refer ence only Steps 1 Insert power adapter into modem and switch on modem 2 Connect modem and computer with ethernet cable ZT...

Page 9: ...1 in address field then click Enter The following interface will appear 4 Input password and click Login to login Note The default password is admin 5 After you login successfully the main page is as follows ZTE Confidential Page 5 of 48 ...

Page 10: ... End of steps 2 2 2 Connect Internet Steps 1 If the modem odes not connect the Internet automatically click Connect to connect Internet End of steps ZTE Confidential Page 6 of 48 ...

Page 11: ...peration mode setting interface You can set operation mode about the modem End of steps 2 2 4 WAN Connection Steps 1 Click WAN Connection to enter WAN connection interface You can set the WAN connection mode and APN about the modem ZTE Confidential Page 7 of 48 ...

Page 12: ... End of steps 2 2 5 VoIP Settings Steps 1 Click VoIP Settings to VoIP settings interface You can set VoIP phone about the modem End of steps ZTE Confidential Page 8 of 48 ...

Page 13: ...s to enter settings interface You can make settings about the modem End of steps 2 2 7 Status Steps 1 Click Status to enter modem status interface You can check basic status and network status about the modem ZTE Confidential Page 9 of 48 ...

Page 14: ... End of steps ZTE Confidential Page 10 of 48 ...

Page 15: ...V1 00 00 The platform version is for reference only Use the latest version to do software download Software version 00000B0000ZTE_DC_ MF28GV1 0 0 The software version is for reference only Use the latest version to do software download 3 1 4 Cautions Be sure to update the software version of each faulty adapter to the latest one Make sure that the adapter can be switched on normally before down lo...

Page 16: ...software download Do not interrupt download process Such interruption may cause switch ing on failure The download process lasts about 6 minutes 3 2 Set IP Address Steps 1 Right click My Network Places icon and select Properties 2 Right click Local Area Connection icon and select Properties ZTE Confidential Page 12 of 48 ...

Page 17: ...3 Select Internet Protocol TCP IP and click Properties 4 Set the IP address and subnet mask click OK Note The IP address should be in 192 168 1 2 192 168 1 255 ZTE Confidential Page 13 of 48 ...

Page 18: ...5 Click OK to save settings and quit End of steps ZTE Confidential Page 14 of 48 ...

Page 19: ... on system desktop after installation End of steps 3 4 Download Software Prerequisite Do not interrupt download process Such interruption may cause switch ing on failure Steps 1 Copy the file root_uImage in file folder CR_MF28G_HI3G_SEV1 0 0 B09 6 CPE to the software file folder BD_MF28GH3GV1 0 0B04 ZTE Confidential Page 15 of 48 ...

Page 20: ...t modem and computer with ethernet cable 4 Double click the shortcut icon 5 Click OK 6 Set the IP as 2 2 2 2 7 The main interface is as follows Click Version path to select software version file 8 Select the correct file and click OK ZTE Confidential Page 16 of 48 ...

Page 21: ...9 Click OK 10 Click to close download platform 11 Double click the shortcut icon 12 Set the IP as 192 168 1 1 ZTE Confidential Page 17 of 48 ...

Page 22: ...he interface is as follows When the update information displays Con nect click Download to start the download process 14 Downloading software 15 Download successfully click OK ZTE Confidential Page 18 of 48 ...

Page 23: ...ort download information file after successful software down load All download information will be deleted after you export SDI file There fore we strongly recommend that you export CSV file before SDI file Steps 1 Click Options CSV File to export CSV file ZTE Confidential Page 19 of 48 ...

Page 24: ...2 Select the saving directory and click Save 3 Save successfully click OK 4 Click Options SDI File to export SDI file ZTE Confidential Page 20 of 48 ...

Page 25: ...5 Read the warning and click Yes 6 Select the saving directory and click Save 7 Save successfully click OK End of steps ZTE Confidential Page 21 of 48 ...

Page 26: ...ZTE Confidential Page 22 of 48 ...

Page 27: ...4 Disassembly 4 1 Disassembly Tools 4 2 Exploded View ZTE Confidential Page 23 of 48 ...

Page 28: ...Radiator 10 Foot Mat 3 Mainboard 11 Screw 4 Main Antenna 12 Base Bottom Cover 5 LET Module Board 13 Base Upper Cover 6 Sub antenna 14 Anti counterfeit Label 7 Back Cover 15 WiFi Antenna 8 Screw Plug 16 4 3 Disassembly Flow Chart ZTE Confidential Page 24 of 48 ...

Page 29: ...vary from country to country We use this modem as an example in this document the pictures are for reference only Steps 1 The product overview is as follows 2 Take down the USB cap 3 The disassembled USB cap is as follows ZTE Confidential Page 25 of 48 ...

Page 30: ...he four screws with screwdriver 5 Separate the front cover and back cover with disassemble housing tool 6 Pay attention to the locks between front cover and back cover when as sembling ZTE Confidential Page 26 of 48 ...

Page 31: ...7 The separated front cover and back cover are as follows 8 Screw off the seven screws with screwdriver ZTE Confidential Page 27 of 48 ...

Page 32: ...9 Take out the WiFi antennas with tweezers 10 Separate mainboard and back cover 11 Loosen the WiFi antenna cable connectors and take down WiFi antennas ZTE Confidential Page 28 of 48 ...

Page 33: ...12 The disassembled WiFi antennas are as follows 13 Take down the radiator ZTE Confidential Page 29 of 48 ...

Page 34: ...14 Loosen the locks of main antennas 15 Loosen the main antenna cable connectors ZTE Confidential Page 30 of 48 ...

Page 35: ...16 Take down main antennas 17 Loosen the RF cable connectors ZTE Confidential Page 31 of 48 ...

Page 36: ...18 The disassembled RF cables are as follows 19 Loosen the locks of LTE module board 20 Take down the LTE module board End of steps ZTE Confidential Page 32 of 48 ...

Page 37: ...4 5 Composing ZTE Confidential Page 33 of 48 ...

Page 38: ...ZTE Confidential Page 34 of 48 ...

Page 39: ...5 Principle and Mainboard 5 1 Principle Block Diagram ZTE Confidential Page 35 of 48 ...

Page 40: ...5 2 Basic Component Distribution Figure 1 Mainboard Top Overview Figure 2 Mainboard Bottom Overview ZTE Confidential Page 36 of 48 ...

Page 41: ...5 3 PCB Layout Figure 3 Mainboard PCB Top View Figure 4 Mainboard PCB Bottom View ZTE Confidential Page 37 of 48 ...

Page 42: ...ZTE Confidential Page 38 of 48 ...

Page 43: ...6 Troubleshooting 6 1 Housing Failure For the housing failure make the corresponding replacement according to 4 4 Disassembly Steps 6 2 Switching On Failure 6 3 Hanging ZTE Confidential Page 39 of 48 ...

Page 44: ...6 4 Automatically Switching Off 6 5 Abnormal Indicating Light ZTE Confidential Page 40 of 48 ...

Page 45: ...6 6 USIM Card Unidentified 6 7 Download Failure ZTE Confidential Page 41 of 48 ...

Page 46: ...6 8 WAN Connection Failure 6 9 Wi Fi Failure ZTE Confidential Page 42 of 48 ...

Page 47: ...6 10 No Signal ZTE Confidential Page 43 of 48 ...

Page 48: ...ZTE Confidential Page 44 of 48 ...

Page 49: ...ocuments such as the training document and repair man ual you can download from this website too If you have any suggestion please provide your suggestion to us through the technical forum This will help us to better meet your needs Home page http support zte com cn mobile Steps 1 Input http support zte com cn mobile in the address bar and press Enter 2 Input Email Login account Password and Check...

Page 50: ...3 The login progress is displayed Please wait 4 In the main window of the handsets after sales support center click Download Center ZTE Confidential Page 46 of 48 ...

Page 51: ...5 Click the items to get the corresponding software technical material and training document End of steps ZTE Confidential Page 47 of 48 ...

Page 52: ...dfdgfdsgs ...

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