Download and Install B186 Nougat Update On Huawei Mate 9 [Europe]

anually Update Huawei Mate 9 to B186 Nougat Update | MHA-L09

European Huawei Mate 9 with the model number MHA-L09 has started receiving latest B186 Firmware Update.The update is currently available in the Europe.This OTA Firmware Update is based On EMUI 5.0 (Android 7.0 Nougat).If you live in that region then you may have already received the firmware update.Now you can manually Update Huawei Mate 9 to B186 Nougat Update | MHA-L09

This Firmware update comes with the latest Google security patch based on the latest EMUI 5.0 OS (Android Nougat 7.0).This also includes all popular nougat features.It also comes with stability and performance improvements.

This official B186 nougat Update is rolling out via OTA (Over-the-air) in phase wise manner. You can manually check whether the update is available in your region or not. To check the update Go to Settings –> About Phone Section –> Software Update.

Huawei manual software update check
Huawei manual software update check

If there is no update yet in your region then you can wait for few days for the update to come or you can follow our guide to manually Update Huawei Mate 9 to B186 Nougat Update | MHA-L09

About The Firmware

Device Name Huawei Mate 9
Model Number MHA-L09
Android Version 7.0
EMUI Version 5.0
Firmware B186
Build Number MHA-L09C432B186
Region Europe
Status Official release
Type Full Firmware Image
What’s New  Changelog



  • This Update is only for Huawei Mate 9 | MHA-l09 so don’t try on other models.
  • Maintain 50-60% battery to prevent sudden shutdown between the process.


Follow the below Guide Exactly or else it may lead to brick your device.Theedroidguru should not be held responsible for any damage.

Download B186 Nougat Update


How To Flash / Install B186 Nougat Update On Huawei Mate 9 | MHA-L09


Step 1.Enable Developer Option and Android Debugging On your Huawei device

  • First, you have to enable the developer option.Go to Settings > About Phone > Build Number then tap on press build number 7 times to enable the developer option
Huawei Developer Option
Huawei Developer Option
  • Now return to the setting’s main menu scroll down, there should be Developer option available above Updater.Now go to Developer option then scroll down to android debugging and enable that.
Huawei USB Debugging
Huawei USB Debugging

Step 2.First, connect your Huawei device to PC via a USB cable and create a new folder named “HWOTA” in its external microSD card. (memory card)

Step 3.Download all files from the download section, rename them and copy them to the new HWOTA folder which was created earlier.

Rename >→ → (Don’t rename this)

Step 4. Download file and extract to the HWOTA folder from the zip to your desktop.

Step 5.Now disconnect the USB cable from the phone and power it off.

Step 6.Next, again connect your device and Reboot into Bootloader mode by pressing “Volume Down + Power

Step 7.Open the HWOTA folder you extracted earlier on your computer and execute the update.bat file as administrator (Windows only).

Step 8.The updater window will pop up and ask you to restart your phone into fastboot mode. now press Enter key to continue as you are already in fastboot mode

Step 9.This tool will replace your phone’s stock recovery and then ask you to reboot into TWRP recovery mode.In order to that, disconnect the USB cable and hold the power button to turn the phone off. Then hold Volume up + Power for a few seconds to enter TWRP mode.

Step 10.Once you’re in your device’s TWRP, plug in the USB cable again and press the Enter key twice on your computer.

Step 11.For update source, type 1 and press Enter.

Step 12.In update type selection, type 1 again and hit the Enter key twice.

Step 13.Now your phone will now reboot into its recovery mode and start the update installation process.Wait for the process to finish

Step 14.Once the updating process is completed your device will reboot into the latest updated firmware

Step 15.Done!!!!You have successfully updated your Huawei Mate 9 Plus to B186 Nougat Update.


Step 1.Make sure that your device is bootloader is unlocked and you have a custom recovery (TWRP) installed on your device.

Step 2.Now download Huawei Mate 9 B186 Nougat files from the Download section above and save it on your device.

Step 3. Now Boot your device into TWRP Recovery mode. (First turn OFF your phone.Now press and hold the Power + Volume Up Button for a few seconds, all at the same time.The Huawei logo should appear first and then you can enter into the Recovery Mode screen on your Huawei device)

Huawei reboot recovery
Image Source:

Step 4. Once you are in TWRP recovery, flash the file and once flashing is done just flash the second and third firmware file.(Wait until the flashing is completed)

Step 5.Done! Reboot your device, your Huawei Mate 9 should boot into B186 Nougat Firmware.

If you have any question or suggestion regarding this post, feel free to leave that in the comment section below 🙂