If your account is banned, you'll see the following message when you open WhatsApp: "This account is not allowed to use WhatsApp."| faq.whatsapp.com
There is a known issue for some linked devices not displaying up to one year of chat history. We're working to fix this as soon as possible. In the meantime, you can still see your chat history on your primary device. We encourage you to keep WhatsApp updated on your linked device. Updates are released regularly and may contain fixes for bugs and other issues. | faq.whatsapp.com
保障用户隐私和安全是我们秉承的核心理念，因此我们在应用中内置了端到端加密技术。进行端到端加密后，你的消息、照片、视频、语音消息、文档、实时位置、状态更新和通话会受到保护，以免落入不法之徒手中。| faq.whatsapp.com