How to Download and Install B380 Marshmallow on Huawei Mate S [Europe]

Huawei has started rolling out the latest Android 6.0 Marshmallow firmware update for the Huawei’s flagship Mate S. B380 Marshmallow Firmware is packed with all Android Marshmallow features and a new security update, version B380, in Europe; it is based on latest EMUI 5.0 OS, which is now available to download for Huawei Mate S (CRR-L09).

In this guide, we have given steps to Download and Install Huawei Mate S B380 Marshmallow Firmware update. Huawei announced Mate S last year which comes with a 5.5 inches FHD display and 1080 x 1920 pixels resolution. The Huawei Mate S is running on 1.7GHz octa-core HiSilicon Kirin 935 processor and 3GB of RAM.

Just like Samsung and other OEMs, Huawei also rolls out in a phase-wise manner. We expect that you might have already received the update notification in your region. If not then still, you can manually navigate to Settings –> About Phone –> Software Update. Or if the update is not yet available in your country and can’t wait to taste Marshmallow then you can download and install the latest B380 Marshmallow Update for Huawei Mate S manually.

Install B380 Marshmallow on Huawei Mate S [Europe]

B380 Marshmallow Firmware Details

  • Device: Huawei Mate S
  • Model: CRR-L09
  • Android: 6.0 (Marshmallow)
  • EMUI: 4.0.2
  • Firmware: B380
  • Build Number: CRR-L09C432B380
  • Custom Number: CUSTC432D001
  • Security Patch Level: February 1, 2017
  • Region: Europe
  • Release Date: 22.02.2017
  • Status: Official (stable)
  • Type: Full firmware package
  • File Name:

Official Changelog: You can read the full changelog by clicking here.


Please note that this given firmware update can be used only for the Huawei Mate S CRR-L09 variant. Installing this firmware on an incorrect variant may damage your device. Proceed at your own risk.

Things To Remember:

Data Backup: Take a full backup of all your important data and settings like contacts, pictures, videos, music before proceeding to the rooting instructions.

Your device must be on stock firmware and stock recovery.

Download and install Huawei Mate S USB drivers on your PC.

Make sure that the battery level of your Huawei Mate S should be at least about 60-70 charged to avoid unexpected shutdowns during the rooting process.

Download Files:

Download Huawei Mate S B380 Marshmallow Firmware from here | Size: 1.6 GB

Steps to Install B380 Marshmallow Update on Huawei Mate S [Europe]

Step 1: First, download the firmware file package from the above-given link, on the desktop of your PC.

Step 2: Now, extract the file.

Step 3: Connect your Mate S with the PC using its USB data cable.

Step 4: Create a new folder named “dload” in the external microSD card of your Mate S.

Step 4: Copy/Paste the extracted firmware file (UPDATE.APP) to the “dload” (newly created) folder in your external SD card on your phone.

Step 5: Finally, power OFF your device and reboot by holding Volume down + Volume up + Power keys at the same time for a few seconds until the installation starts.

Done! You have successfully installed the B380 Android 6.0 Firmware Update on Huawei Mate S.

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