Wechat sends a message to a friend, displaying a red exclamation mark, and there is no other hint. What is the reason?

That's because the message didn't go out. The reasons for not sending include: the network can't send it out, the other party blackmails you or deletes friends. This is caused by the bad network.

Wechat is a free application launched by Tencent on1October 20th1165438, which provides instant messaging service for intelligent terminals. Wechat supports fast sending of free voice messages, videos, pictures and texts across communication operators and operating systems, and can also be used through *. ?

Wechat provides public platform, friends circle, message push and other functions. Users can add friends and pay attention to public platforms by "shaking", "searching for numbers", "people nearby" and scanning QR codes. At the same time, WeChat will share the content with friends and share the wonderful content that users see to WeChat friends circle.

As of 20 13, 1 1, the number of registered users has exceeded 600 million, making it the largest mobile instant messaging software in Asia. By the end of 20 16 and 12, the monthly active users of wechat had reached 889 million.