Huawei has officially kickstarted the rollout of October security patch to its Mate 40 Pro (NOH-NX9) handsets in Europe. This update is tagged with version number 12.0.0.278 and weighs in at 294 MB. You can check out the full technical details and the official changelog of this update below.
Huawei Mate 40 Pro Receiving 12.0.0.270 Firmware Update [Europe] [September Patch]
Huawei has officially started rolling out the September security update, tagged with firmware version 12.0.0.270, to its Mate 40 Pro (NOH-NX9) handsets in European countries. This update will be gradually rolled out throughout Europe via OTA over the next few weeks.