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Huawei user guide Software Upgrade Guideline HUAWEI G S -L V R C B CUSTC D Software Upgrade Guideline Prepared by G S -L Team Reviewed by G S -L Team Approved by G S -L Team Date - - Date - - Date - - - - Huawei Technologies Co Ltd All rights reserved Hua

Software Upgrade Guideline HUAWEI G S -L V R C B CUSTC D Software Upgrade Guideline Prepared by G S -L Team Reviewed by G S -L Team Approved by G S -L Team Date - - Date - - Date - - - - Huawei Technologies Co Ltd All rights reserved Huawei con ?dential no spreading without permission Page Total CSoftware Upgrade Guideline Contents CONTENTS VERSION INTRODUCTION THE FOLLOWING VERSIONS CAN BE UPGRADED UPGRADE PACKAGE UPGRADE ENVIRONMENT REQUIREMENTS CHECK CURRENT UPGRADE ENVIRONMENT UPGRADE INTRODUCTION UPGRADE OPERATIONS NORMAL UPGRADE FORCE UPGRADE EXCEPTIONS UPGRADE VALIDATE CHECK THE VERSION - - Huawei con ?dential no spreading without permission Page Total CSoftware Upgrade Guideline Version introduction The following versions can be upgraded Versions can be upgraded G S -L V R C B CUSTC D Upgrade package Upgrade package Main package Vendor package Upgrade tools Info Software dload UPDATE APP Test hw spcseas UPDATE APP Micro SD card Upgrade environment requirements Check current upgrade environment To make sure that the Micro SD card is available and can be read and write Notes A Micro SD card of GB or more should be available It is recommended that The Micro SD card is made by Sandisk Kingstone or Kingmax To make sure that the power of the battery is enough to run the upgrade process It is recommended that the power of the battery is more than Upgrade operations will erase all user data So if there are some important information you should backup them before upgrade If the path of main package is a zip ?le in chapter you should unzip the zip ?le ?rstly and get out UPDATE APP to do upgrade operation - - Huawei con ?dential no spreading without permission Page Total CSoftware Upgrade Guideline Upgrade introduction There are two methods to upgrade normal upgrade and force upgrade Normal upgrade needs to start the handset and enter the System Update module Force upgrade is just used when the handset can ? t boot up or can ? t enter the idle screen Upgrade operations Normal upgrade Step Format the Micro SD card This operation is optional Step Copy the Software main package UPDATE APP to a directory named dload Step Copy the entire dload folder with UPDATE APP in it to the root directory of the Micro SD card Step Insert the Micro SD card into the handset and power on After entering the home screen To ?nd System Update application press Settings- Updates- System updates- Local update- Con ?rm- Upgrade to start the upgrade Please reference to the following pictures - - Huawei con ?dential no spreading without permission Page Total CSoftware Upgrade Guideline Step When the progress bar stop the phone will restart automatically Step Please copy the Software vendor package UPDATE APP to a directory named dload Then execute Step ?? Step repeatedly This step is needed only when the version is upgraded by test member Force upgrade Step Format the Micro SD card This operation is