Whatsapp text and pictures usually work fine. However, some users have encountered issues with Whatsapp calls not connecting in China. Here are the updated fixes.
iOS
Shadowrocket
Disable UDP forwarding in Shadowrocket settings. Open Shadowrocket > Settings > UDP > Enable relay > OFF
Android
v2rayNG
V2rayNG works with Whatsapp calls by default. If other apps don't work, consider switching to this app for your Whatsapp calls.
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