QQ can't send messages. What's the matter?

QQ message cannot be sent due to the following reasons:

1, check your network problems first.

2, mobile QQ can't send or receive messages, check whether your mobile phone is in arrears.

3. If the phone is not in arrears and the network is unblocked, it may be a system problem, please log off and try again.

4. If it is a computer version of QQ, please check whether your network is unblocked.

Taking the first one as an example, the solution is as follows:

1. First, click Settings on the phone page.

2. Turn off the flight mode.

3. Then click Dual Card and Mobile Network.

4. Just open the phone data.

QQ is the abbreviation of Tencent QQ, which is an instant messaging software based on Internet launched by Tencent. QQ covers Windows, macOS, iPadOS, Android, iOS, WindowsPhone, Linux and other operating platforms. Its symbol is a little penguin wearing a red scarf. Tencent QQ supports online chat, video call, point-to-point breakpoint continuation, file sharing, network hard disk, custom panel, QQ mailbox and other functions, and can be connected with various communication terminals.