Confidentiality

Product name
Internal disclosure

WKG-LX9 Total pages: 8

HUAWEI WKG-LX9 hw-meafnaf Software

Upgrade Guideline

Prepared By WKG-LX9 Team Date 2022-02-07

Reviewed By WKG-LX9 Team Date 2022-02-07

Approved By WKG-LX9 Team Date 2022-02-07

2023-5-22 Page 1
 Huawei Technologies Co., Ltd.

All rights reserved

2023-5-22 Page 2
 Contents

1 Update Precaution..................................................................................................................3

1.1 Precaution 1......................................................................................................................... 3

1.2 Precaution 2......................................................................................................................... 3

2 Version Requirement..............................................................................................................3

2.1 Previous Version................................................................................................................... 3

2.2 Upgrade Environment.......................................................................................................... 3

2.3 List of the Files Involved in the Upgrade..............................................................................4

3 Upgrade Preparation...............................................................................................................4

3.1 Update Environment Check................................................................................................. 4

3.2 Upgrade Package Check....................................................................................................... 4

4 Upgrade Description...............................................................................................................4

5 Upgrade Execution..................................................................................................................5

5.1 SD card Forcible Upgrade..................................................................................................... 5

5.2 OTG Forcible Upgrade.......................................................................................................... 6

6 Verification and Troubleshooting............................................................................................8

6.1 Version Check....................................................................................................................... 8

6.2 Basic Function Check............................................................................................................ 8

6.3 Upgrade Issue Troubleshooting........................................................................................... 8

2023-5-22 Page 3
1 Update Precaution

1.1 Precaution 1

Read the feature description before performing the upgrade.

1. Software version

Ensure that the current version of your phone's software is the original one. Otherwise the

upgrade may fail or unknown errors may occur.

Do not attempt to update your phone to any customized versions for countries outside your

country of residence. Otherwise the upgrade may fail or unknown errors may occur.

2. Hardware version

This software is applicable to the HUAWEI WKG-LX9 phones only. If a phone of other models

is used, the phone may not be powered on.

Note: Huawei is not liable for failures caused by violation of the preceding precautions and no

in-warranty maintenance will be granted.

1.2 Precaution 2

Upgrading your phone will erase all user data. Back up your data before the upgrade.

Ensure that the battery power is more than 30% at the beginning of the upgrade.

This upgrade guideline is applicable to the P-P, Q-Q or P-Q upgrade mode, and does not

apply to O-P upgrade mode.

2 Version Requirement

2.1 Previous Version

Version number bellowed this version can upgrade.

2023-5-22 Page 4
2.2 Upgrade Environment

For phone software applicable to HUAWEI WKG-LX9, use SD card or OTG cable and U disk to

upgrade the phone to this version.

2.3 List of the Files Involved in the Upgrade

Document Name

dload\

|--WKG-L29_hw_meafnaf

Software Upgrade |--update_sd_cust_WKG-L29_hw_meafnaf.zip

Package |--update_sd_preload_WKG-L29_hw_meafnaf_R3.zip

|--update_sd_base.zip

Upgrade tool SD card or OTG cable and U disk

3 Upgrade Preparation

3.1 Update Environment Check

Suggest common method of using OTG cable + U disk to upgrade, and also you can use SD card to

upgrade if your phone supports SD extension.

1. If you use SD card to upgrade, check that the SD card is readable and writable, and its

remaining space is larger than 8 GB. It is recommended that you use a Sandisk, Kingston, or

Kingmax microSD card.

2. If you use OTG cable + U disk to upgrade, check that the U disk is readable and writable,

and its remaining space is larger than 8 GB. It is recommended that you use a Sandisk, Kingston,

or Kingmax U disk card.

2023-5-22 Page 5
3.2 Upgrade Package Check

Refer to the preparation checklist in section 2.3 when checking the software upgrade

package, check that the directory files are intact.

4 Upgrade Description

Upgrade method: forcible upgrade.

Forcible upgrade can be used on phones that have power-on failure and need restoration, or

for other situations.

5 Upgrade Execution

5.1 SD card Forcible Upgrade

Step 1: Prepare a SD card with a capacity of at least 8 GB. A Sandisk, Kingston, or Kingmax

SD card is recommended.

Step 2 (optional): Format the SD card to ensure the capacity is sufficient.

Step 3: Check that the directory of all files is intact in dload. Copy the dload document to

the root directory in the microSD card.

Step 4: Check that the directory and files are intact in the SD card root directory.

Step 5: Power off the phone, insert the microSD card, and

For EMUI 9.X and Magic UI 2.X, press the VOLUME UP key, VOLUME DOWN key, and the

POWER key all the three at the same time, until see the HUAWEI logo display. The phone enters

the automatic upgrade mode, and the upgrade is started.

For EMUI 10.X, EMUI 11.X and Magic UI 3.X, Magic UI 4.X,press the VOLUME UP key and

the POWER key at the same time, then it will enter recovery interface, and then choose the

“Update mode > Memory card/OTG update mode” to start the upgrade. If the product do not

2023-5-22 Page 6
have the entity VOLUME key, just press the POWER key for more than five times when power on,

then choose the “Update mode > Memory card/OTG update mode” to start the upgrade.

Step 6: During the upgrade, a progress icon will be displayed. After the progress icon is fully

loaded, the phone will restart automatically, and the upgrade is completed.

Note: the SD card keep in connecting until the screen displays “Update success”.

For EMUI operating system, shows as below:

For Magic UI operating system, shows as below:

2023-5-22 Page 7
5.2 OTG Forcible Upgrade

Step 1: Prepare a U disk with a capacity of at least 8 GB. A Sandisk, Kingston, or Kingmax U disk is

recommended. And an OTG cable.

Step 2 (optional): Format the U disk to ensure the capacity is sufficient.

Step 3: Check that the directory of all files is intact in dload. Copy the dload document to the root

directory in the U disk.

Step 4: Check that the directory and files are intact in the U disk root directory.

Step 5: Power off the phone, insert the OTG cable & U disk, and

For EMUI 9.X and Magic UI 2.X, press the VOLUME UP key, VOLUME DOWN key, and the

POWER key all the three at the same time, until see the HUAWEI logo display. The phone enters

the automatic upgrade mode, and the upgrade is started.

For EMUI 10.X, EMUI 11.X and Magic UI 3.X, Magic UI 4.X, press the VOLUME UP key and

the POWER key at the same time, then it will enter recovery interface, and then choose the

“Update mode > Memory card/OTG update mode” to start the upgrade. If the product do not

have the entity VOLUME key, just press the POWER key for more than five times when power on,

then choose the “Update mode > Memory card/OTG update mode” to start the upgrade.
2023-5-22 Page 8
Step 6: During the upgrade, a progress icon will be displayed. After the progress icon is fully

loaded, the phone will restart automatically, and the upgrade is completed.

Note: the OTG cable & U disk keep in connecting until the screen displays “Update success”.

For EMUI operating system, shows as below:

For Magic UI operating system, shows as below:

2023-5-22 Page 9
6 Verification and Troubleshooting

6.1 Version Check

When the phone is powered on, go to “Settings > System (Q version w/o this path, just

skip) > About phone”, make sure the build version number is the same with the release version.

6.2 Basic Function Check

1. Power on the phone, enter the standby screen, and dial a phone number to make a phone

call. Press and hold the End button to power off the phone. Check that these functions are

normal.

2. Go over all the APK files and make sure that all of them function properly.

6.3 Upgrade Issue Troubleshooting

For an upgrade that follows the procedure and does not violate the precautions but failed,

contact your local maintenance center. For details about maintenance centers, call the local

Huawei service hotline. For information of the hotline numbers, visit the Huawei website:

http://consumer.huawei.com/en/support/hotline/

2023-5-22 Page 10