You can log in to WeChat using your voice after enabling Voiceprint. Kindly note that Voiceprint is not currently available in the following regions: Canada, EU and EEA countries, the United States, and the United Kingdom.
1. How to Enable Voiceprint
After logging in to WeChat, set up Voiceprint by going to「Me」>「Settings」>「Account Security」>「Voiceprint」. Follow the prompts and record your voice twice to enable Voiceprint, allowing you to log in using your voice.
Note:
Voiceprint requires WeChat version 6.0.2 or later on iOS and version 6.1 or later on Android.