HUAWEI JNY-LX1 Hw-Meafnaf Software Upgrade Guideline
HUAWEI JNY-LX1 Hw-Meafnaf Software Upgrade Guideline
HUAWEI JNY-LX1 Hw-Meafnaf Software Upgrade Guideline
Product name
Internal disclosure
Guideline
2024-2-20 Page 1
Huawei Technologies Co., Ltd.
2024-2-20 Page 2
Contents
1 Update Precaution...........................................................................................................3
2 Version Requirement.......................................................................................................3
3 Upgrade Preparation.......................................................................................................4
4 Upgrade Description........................................................................................................4
5 Upgrade Execution...........................................................................................................5
2024-2-20 Page 3
1 Update Precaution
1.1 Precaution 1
1. Software version
Ensure that the current version of your phone's software is the original one. Otherwise the
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 JNY-LX1 phones only. If a phone of other models is
Note: Huawei is not liable for failures caused by violation of the preceding precautions and no
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
2024-2-20 Page 4
2 Version Requirement
For phone software applicable to HUAWEI JNY-LX1, use SD card or OTG cable and U disk to
Document Name
dload\
|--JNY-L21_hw_meafnaf
Package |--update_sd_preload_JNY-L21_hw_meafnaf_R3.zip
|--update_sd_base.zip
3 Upgrade Preparation
Suggest common method of using OTG cable + U disk to upgrade, and also you can use SD
2024-2-20 Page 5
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
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,
Refer to the preparation checklist in section 2.3 when checking the software upgrade
4 Upgrade Description
Forcible upgrade can be used on phones that have power-on failure and need restoration, or
5 Upgrade Execution
Step 1: Prepare a SD card with a capacity of at least 8 GB. A Sandisk, Kingston, or Kingmax
SD card is recommended.
Step 3: Check that the directory of all files is intact in dload. Copy the dload document to
Step 4: Check that the directory and files are intact in the SD card root directory.
2024-2-20 Page 6
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
For EMUI 10.X and Magic UI 3.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.
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”.
2024-2-20 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
Step 3: Check that the directory of all files is intact in dload. Copy the dload document to the
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
For EMUI 10.X and Magic UI 3.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
2024-2-20 Page 8
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 OTG cable & U disk keep in connecting until the screen displays “Update success”.
2024-2-20 Page 9
6 Verification and Troubleshooting
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.
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.
2024-2-20 Page 10
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/
2024-2-20 Page 11