After updating the watch to the firmware specified in the article, the barometer sensor broke and the gyroscope compass does not work. So do not rush to update!
Huawei has released a new software update with version number 4.2.0.103 for the Watch GT 4 smartwatch. There seems to be a phased global rollout for this relatively minor update, which brings improvements to the wearable. When it reaches them, users will be able to install the update via the Huawei Health app.