If you flash the update on similar handsets then you risk in bricking it up. (android.gs)
You should apply this method only if you own the Samsung Galaxy S2 model number GT I9100 and not for similar handsets as you can end up in bricking your Android based devices. (android.gs)
Huawei has in the past focused on making phones for a lower price than similar handsets from rival manufacturers, but the Huawei Mate 9 Porsche Design is anything but cheap. (techradar.com)