The signal is very poor. How can I know if WeChat has been sent out?

"About the problem of poor signal, how do you know that I have encountered this problem before? This is easy to solve. Next, I'll tell you how to operate:

Tool: Huawei matep50. Wechat 8.0.33

In the first step, the WeChat message is not sent, and there will be a red exclamation mark on the left side of the message. (as shown in the figure below)

Step 2, then WeChat will send you a message, and you have a message that you haven't sent (as shown below).

There are so many steps to know whether the signal is bad or not. Remember to help you like it ~ "