What if Xiaomi mobile phone doesn't have SMS function?

Find SMS in Settings-Applications. If the button in the upper right corner is enabled after entering, click Exit to return to the desktop to see if there is one.

Open Settings → Other Advanced Applications → SMS → Disabled will be displayed → Click → Then click Enable at the bottom of the interface.

Press the gap between the two icons on the desktop for a long time, and you will see that the desktop has become smaller. A line of small icons will appear below. See if there are any SMS icons. If there is, just hold it down and pull it down on the desktop.

How to deal with Xiaomi 4' s inability to send short messages;

Normally, we send text messages to others. After sending, we will receive a prompt of successful sending. For example, there is a word delivered in front of the text in the picture.

And all of a sudden, you will find that no one will reply to the message you sent, and then you will find that there is no delivery prompt in front, which is what we call sending failure;

We need to go back to your mobile phone desktop and click the settings icon;

After entering, the system will prompt many setting options, and we will continue to row;

Until the bottom, in the top one about mobile phones, you can see an application option, we click to enter;

After entering, we found the icon of SMS and entered the relevant settings;

In the center of the interface, there is an option named "Clear Data". If it has not been processed before, you can click this option. Let's click on it.

Then at the bottom of the interface, we can see an option called end running. Let's click it.

The system will prompt you that the application of SMS may be abnormal. If we really have a problem, then you don't have to worry, just click OK.