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ANDROID TUTORIAL

How To Update / Downgrade/ Unbrick Firmware Any Huawei Android Devices


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FLASHING HUAWEI MOBILE FIRMWARE

Notes :

  • Make sure your firmware downloaded according to your region/country–>Learn here
  • Software version requirements to ensure that the phone used before the upgrade to the original version of Huawei, no other online upgrade unofficial version, otherwise upgraded unsuccessful risk and may introduce unknown problems.
  • Do not attempt to customized versions of other countries, otherwise there is the risk of an unsuccessful upgrade and may introduce unknown problems.
  • Hardware Version of the software is only available for device models hardware, if you use other device models of software upgrades consequences may not boot.

For mobile phone users due to violations of the fault caused by the above considerations, not Huawei internal security service. upgrade process may erase user data, if there is an important part of a good backup is recommended before upgrading personal data. To ensure that the battery is fully charged the upgrade process, it is recommended to connect via USB cable during the upgrade process.

Preparation :
Download Huawei stock rom ( Firmware) Files —> Here
1. Prepare a microSD card.
2. Download the software upgrade package.
3. Create a directory at the root of the microSD card [dload} folder.
4. The software upgrade/Firmware package “UPDATE.APP” copy to microSD card at dload folder.
/Sdcard/dload/....

Software Upgrade

  • Before upgrading the software, check the battery, make sure the battery is more than 20%.
  • To avoid losing data, it is recommended to back up data before upgrading to a microSD card. By setting menu upgrade.
1. On the Home screen, click [Settings]> [phone upgrade]> [System Software Update].
2. Click the [local] Upgrade > [OK] > [upgrade].
3. Click the [Backup data], back up data to microSD card. If you do not back up your data, ignore this step, click on [OK].
4. Click [upgrade]. The phone will restart, and then enter the upgrade interface, start the upgrade software. The upgrade process takes about 3 minutes. The upgrade process, do not remove the battery, do not remove the microSD card. We recommend that you do not do anything, just wait.

Mandatory upgrade

1. Disconnect your phone with a computer or other device (such as a charger) connection and shutdown.
2. Press and hold the volume up and down keys, then press the power button.
3. The boot screen came out, release the power button and continue holding the volume down key until you enter the following interface will then release the upgrade volume up and down keys. The upgrade process takes about 3 minutes. During the upgrade process, do not remove the battery, we recommend that you do not do anything, just wait.

Rollback instructions shipped version (the need to restore the factory settings) :

1. Download the current version of the Internet in the corresponding subcontract pollen forum. Note that the subcontract shipments can fall back version.
2. SD card with an ordinary brush pack the same brush subcontract.
3. The ability to revert back from subcontracting shipping versions to choose their own desired shipping version that can be downloaded from the official website of Huawei and pollen forum.
4. The release version will be shipped brush to the phone, you must pay attention to restore the factory settings to use, pay attention to the backup data.

Hard method, Flashing with fastboot

Download Tools and driver :
ADB-Fasboot-tools.zip –> Download Here
ADB-Fastboot-Driver –> Download Here
Huawei Rom Extractor.rar –> Download Here
1. Downloader rom (UPDATE.APP) put in Huawei Rom Extractor folder.
2. After you puted “UPDATE.APP in folder you first run “split_updata” and it will create “output” folder with extracted files(It script will not work without ActivePerl installed on your computer.)
3. After “split_updata” finished you need to run “HuaweiFinder” script and it will compile “system.img” and “boot.img”, you need cut or copy “boot.img”(18mgb) and “system.img”(1gb img file) in fastboot folder.
4. Reboot your device into bootloader(holding Vol- and power button)
5. Open fastboot and device will automatically connect on pc.
6. Now you need type in fastboot without quotes:”fastboot erase system system.img” and “fastboot erase boot boot.img”
7. Now in fastboot you type without quotes”fastboot flash system system.img” and “fastboot flash boot boot.img”
8. And now you are downgraded your have rom.
Read more methods by Chipset :
Unbrick / Installing firmware any Huawei devices Base on Mediatek chipset using SP-Flashtool
Read at https://boycracked.com/2015/06/07/how-to-flashing-mediatek-rom-firmware-using-sp-flashtool/
Unbrick / Installing firmware Huawei devices Base on Qualcomm chipset using Qfill, Mi-Flash or QPSTool
Read at https://boycracked.com/2016/01/22/how-to-installing-the-firmware-using-qfil-for-all-android-device-based-on-qualcomm-chips/
Unbrick / Installing firmware Huawei devices Any chipset base using Fastboot
Read at https://boycracked.com/2016/02/12/easy-guide-to-unbrick-update-firmware-any-android-devices-via-fastboot-mode/

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Discussion

9 thoughts on “How To Update / Downgrade/ Unbrick Firmware Any Huawei Android Devices

  1. Hi, I am from Brazil and I bought a huawei p8 max from china huawei p8 max dav-703lv100r001c233b028 it has a firmware update that is for B029 I am afraid to update and give some error can you help me or not upgrade or will it damage my mobile

    Like

    Posted by José Marcos Moreira | February 23, 2017, at 1:21 AM
  2. Hi sir for Hard method, Flashing with fastboot
    when I flash system it’s successfull,But when flash boo it’s failed.
    Please help me.

    Like

    Posted by Kis Phly | January 6, 2017, at 10:58 PM
  3. Hello to all…I want to ask something if I can…I have a Huawei P9 Lite vns-l21c10b106…It is cosmote branded and I want to debrand it and return to official stock Europe cause I cant get updates…Does debranding require unlock bootloader and root???I don’t want to lose warranty…I searched some guides suggesting that I flash the official stock rom vns-l21c432b151 via sd card update…should this work or I will end up with a bricked phone???

    Like

    Posted by Γιάννης Ροδόσογλου | December 20, 2016, at 10:30 PM
  4. The Perl thing doesnt do anything.

    Like

    Posted by Luukas | July 19, 2016, at 3:49 PM
  5. doesn’t work in a Y560

    Like

    Posted by Mocho | June 22, 2016, at 12:20 AM

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