How to set the blind tone of Huawei mobile phone?

The intercom mode does not support Chinese voice by default. When the system language is English, English voice will be used to prompt the operation. When the system is in Chinese, the operation is only prompt tone, and there is no voice. To use Chinese voice, you need to download and install the Chinese voice database, and search for "Iflytek dialect" in Huawei application market to download and install it. Then do the following: Settings > Advanced Settings > Accessibility > The preferred engine for text-to-speech (tts) output is Iflytek Notes.