Now you can download and install the latest B390 Update for Huawei Mate S. Earlier we post B380 official update for the Huawei Mate S. And today we provide you the Official Huawei Huawei Mate S B390 Marshmallow Firmware for CRR-L09. The ROM packs with the latest Android 6.0.1 Marshmallow firmware which is based on the latest EMUI 4.0 OS. Nougat is already rolled out for many Huawei devices but still there is no official date when Nougat Update for Mate S released. So until Mate S Nougat update hit the device you can use the latest version for your device. Here we provide you the Official Huawei Mate S B390 Marshmallow Firmware for CRR-L09.

Mate S is a last year’s flagship device from Huawei. The phone features 5.5 inches FHD display with a resolution of with 1080 x 1920 pixels. The Huawei Mate S powered by a 1.7GHz octa-core HiSilicon Kirin 935 processor with 3GB of RAM. You can Download Mate S Stock Marshmallow Firmware from below which is 1.5GB in size and has a build number CRR-L09C432B390.

Download Huawei Mate S B390 Marshmallow Firmware [Europe]

Firmware Information –

  • Device – Huawei Mate S
  • Model – CRR-L09
  • Android Version – 6.0
  • EMUI Version – 4.0.1
  • Firmware – B390
  • Build Number – CRR-L09C432B390
  • Region – Europe
  • Status – Official
  • Type – Full firmware image
  • Size – 1.6 GB
  • What’s New – Changelogs


  • This Firmware file is only for Huawei Mate S CRR-L09. Don’t try this on any other device.
  • Your device must be on stock firmware and stock recovery.
  • Follow the steps correctly otherwise you may brick your device.
  • We are not responsible for any damage to your phone.
  • It may erase your data so it is advisable to take a complete backup of your phone for safer side.
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download Huawei Mate S B390 Marshmallow Firmware

Download Huawei Mate S B390 Firmware for CRR-L09

How to Install Stock B390 Marshmallow Firmware on Huawei Mate S –

Method 1

1) First, download Android 6.0 B390 ROM for Huawei Mate S from above and extract it.

2) Now create a folder dload in the root of your SD card and place the file in that folder.

3) Now dial *#*#2846579#*#* from your phone dialer to open a hidden menu.

4) Now click on Project Menu -> Software Upgrade -> SDCard Upgrade.

5) Now select and run the update.

6) Wait until the installation process is complete and then reboot your device.

7) Done.

Method 2

1) Download Stock B390 ROM for Huawei Mate S from above and extract it.

2) Now create a folder dload in the root of your SD card and place the file in that folder.

3) Now turn off your device.

4) Now press “Volume Up + Volume Down and Power Button” together. The update process will start automatically.

5) Now wait for some time to complete the process.

6) Done.

Download Huawei Mate S B390 Marshmallow Firmware and share it with your friends. If you have any questions comment below.


Sumit is a Tech and Gadget freak and loves writing about Android and iOS, his favourite past time is playing video games.


  1. can anyone knows how to revert back my huawei to marshmallow? I have updated it to nougat b390 but my gyroscope became wild when i play vr games. I feel so very very angry to those developing OS updates that destroys our phones instead of making them usable. I wish they haven’t made the updates. … so sad and furious aand so MAD I AM!.. BY the way my unit is Huawei P9 EVA-L19

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