Huawei Mate S (CRR-L09) has received a new security update, version B380, in Europe. In addition to this month’s security patches, this firmware also brings some minor feature enhancements and bug-fixes. 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: update.zip Download Link: Official Mirror | Size: 1.6 GB How to Update Before installing this firmware, make sure that your phone’s cust number is C432D001 from Settings > About Phone. Download the update.zip package from the link provided above and extract it on your computer. Connect your phone to the PC and create a new folder “dload” in its external microSD card or the internal memory. Copy the extracted UPDATE.APP package to the new dload directory. [Optional] Take a full backup of your data using your preferred tool. Now unplug the USB cable and turn your phone off. Hold Volume down + Volume up + Power keys for a few seconds to start the update. Official Changelog: You can read the full changelog by clicking here.