Huawei P7-l12c900b856 Sd Card Software Upgrade Guideline(for Service) 69143

HUAWEI P7-L12C900B856 Software Upgrade Guideline

Huawei Technologies Co., Ltd. All rights reserved

2016-6-8

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Contents 1

UPGRADE INSTRUCTION..........................................................................................................3 1.1

ABOUT SOFTWARE VERSION......................................................................................................3

1.2

ABOUT UPGRADE PREPARATION................................................................................................3

2

VERSION INTRODUCTION........................................................................................................4 2.1

THE FOLLOWING VERSIONS CAN BE UPGRADED........................................................................4

2.2

UPGRADE PREREQUISITE............................................................................................................4

2.3

UPGRADE FILES..........................................................................................................................4

3

UPGRADE PREPARATION..........................................................................................................4 3.1

CHECK CURRENT UPGRADE ENVIRONMENT...............................................................................4

3.2

GET AND CHECK THE SOFTWARE PACKAGE...............................................................................4

4

UPGRADE INTRODUCTION......................................................................................................4

5

UPGRADE OPERATIONS............................................................................................................5 5.1

FORCE UPGRADE........................................................................................................................5

5.2

NORMAL UPGRADE....................................................................................................................6

5.3

VENDOR PACKET UPGRADE........................................................................................................7

6

UPGRADE VALIDATE..................................................................................................................7 6.1

CHECK THE VERSION.................................................................................................................7

6.2

UPGRADE FAILED CHECKLIST....................................................................................................8

1 Upgrade instruction 1.1

About software version This is software version for P7-L12C900B856, please operate after read the upgrade

guideline carefully. 2016-6-8

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(1) Software requirement a. Before upgrade, please guarantee the version you use is Huawei official version, or else it may upgrade failed or cause unknown problem. b. Don’t try to upgrade software of other country or customization, or else it may upgrade failed or cause unknown problem. (2) Hardware requirement This software suits to P7-L12 product, it can only use for P7-L12 product, and it may cause can’t power on if you use this software on other product. Any problems caused by don’t follow the instructions, Huawei will not provide in warranty service.

1.2

About Upgrade Preparation Back up your personal data before upgrade, the upgrade process will wipe all

data. To make sure that the power of the battery is enough to run the upgrade process. Maybe you can connect the handset with the charger or the USB data cable to provide power.

2 Version introduction 2.1

The following versions can be upgraded. Versions can be upgraded

P7-L12V100R001C00BXXX P7-L12C900BXXX

2.2

Upgrade prerequisite The P7-L12 handset software should be updated with the MICRO SD card.

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2.3

Upgrade files File Name

Main package

dload\UPDATE.APP

Vendor package

Test\TestSoftware\8_VENDOR\hw_nla\update.app

Video resource pack Update tools

MICRO SD card

3 Upgrade preparation 3.1

Check current upgrade environment Make sure that the MICRO SD card is available and can be read and write.

3.2

Get and check the software package 1． According to the chapter 3.0., check the software package date and the file size. 2. Copy the dload folder to SD card, the directory is /sdcard/dload/UPDATE.APP

4 Upgrade introduction There are two methods to upgrade: normal upgrade and force upgrade. Normal upgrade needs to start the handset and enter the Setting module. Force upgrade is often used when the handset can’t boot up or can’t enter the idle screen. If need force upgrade, please pull out the battery and set again.

5 Upgrade operations Notices: 1. Upgrade will erase the data, please backup your data before upgrade. 2. Ensure that the power is at least 15% left when upgrading.

5.1

Force upgrade Step 1. A MICRO SD card of 4GB or more should be available. The MICRO SD card made by Sandisk, Kingstone, or Kingmax is recommended. 2016-6-8

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Step 2. Format the MICRO SD card (This operation is optional). Step 3. Make sure that there is an UPDATE.APP under the dload. Copy the Main package of dload in PC to dload of SD card. Step 4. Make sure your handset is power off. Insert the MICRO SD card into the handset. Pressing the VOLUME UP key and VOLUME DOWN key, then press the POWER key to power on the phone, and VOLUME UP key and VOLUME DOWN key should be pressed more than 10 seconds, then enter the Software Upgrade Mode.

5.2

Normal upgrade Step 1. A MICRO SD card of 4GB or more should be available. The MICRO SD card made by Sandisk, Kingstone, or Kingmax is recommended. Step 2. Format the MICRO SD card (This operation is optional). Step 3. Make sure that there is an UPDATE.APP under the dload. Copy the Main package of dload in PC to dload of SD card. Step 4. Insert the MICRO SD card into the handset and power on. After entering the home screen, press menu key to choose Settings->Updater->Menu->Local upgrade->Confirm-> start the upgrade. Reference to the following pictures. 2016-6-8

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5.3

Vendor packet upgrade Step 1. A MICRO SD card of 4GB or more should be available. The MICRO SD card made by Sandisk, Kingstone, or Kingmax is recommended. Step 2. Format the MICRO SD card (This operation is optional).

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Step 3. Make sure that there is an UPDATE.APP under the Vendor\eu\dload. Copy the Main package of dload in PC to dload of SD card. Step 4. Insert the MICRO SD card into the handset and power on. After entering the home screen, press menu key to choose Settings->Updater->Menu->Local upgrade->Confirm-> start the upgrade. Reference to the following pictures.

6 Upgrade validate 6.1

Check the version

By Setting ->About phone->Build number, to check the version. Just like the picture below:

Build number：P7-L12C900B856

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6.2

Upgrade Failed checklist

If you still can’t solve the problem, Please send it to the nearest service center.

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