Huawei Mate 9 Lite BLL-l23 firmware update has been released for Latin America. The firmware version is B380. This update is only applicable to phones with cust version C605. Android 7 with EMUI 5.0.4 is running on top. This is official stock firmware from Huawei and can be installed by following the official method. You can either use sd card/OTG to install it or any 3rd party tool can be used. This firmware can help unbrick your phone.