Can I send messages when my inbox is full?

The SMS box of the old man-machine is full, which only affects the memory of the mobile phone itself, and has nothing to do with sending messages. The short message is full and can be deleted. You can leave it alone. If there is new news, the earliest message will be covered up, and it will be fine.

Inbox of mobile phone is an intelligent and universal function, which is used to read the received network information.