Huawei has pushed out a new Oreo based update, version 188.8.131.520, for its Huawei Mate 9 (MHA-L09 & MHA-L29) handsets in Middle Eastern countries. This update is currently in beta stage and is being rolled out to select devices but you can download the full firmware package of this build and install it manually.
You can now update the European Huawei Mate 9 (MHA-L29) to the new B193 Nougat-based beta firmware. This update brings the latest security patches released by Google and applies some minor feature enhancements.
Huawei Mate 9 (MHA-L29) can now be updated to a new Nougat build (beta), version number B187. This update features August’s security patches and adds new camera features.
Huawei Mate 9 (MHA-L29) can now be updated to B185 Nougat beta firmware that has officially been released in Europe via OTA. This update packs several feature enhancements and comes with Android security patch level of June 5 ,2017.
There is a new B190 Nougat beta update available for Huawei Mate 9 (MHA-L29) handsets in the United States. This firmware comes with Android security patch level of April 5.