The internet is full of malware-ridden "firmware" sites. Here are the only safe sources:
In the context of smartphones, "firmware" refers to the operating system software that runs on the device. It is the bundle of code that includes the Android OS, the EMUI (Emotion UI) skin, drivers, and system partitions. huawei y7 2017 firmware
The official firmware for the Huawei Y7 2017 is primarily based on Android 7.0 (Nougat) The internet is full of malware-ridden "firmware" sites
The most reliable method for Huawei users is the service. There are websites ( the EMUI (Emotion UI) skin