How to set the number of SMS center!

There are three main reasons why the mobile phone can't send short messages. The first one is that there is no signal, the second one is that the mobile phone is in arrears, and the third one is that the number of the short message center is not set correctly. Here are some solutions.

1. First, unlock Xiaomi 8 version: MIUI1.3.5. If there is no signal on the mobile phone, move to a place with a good signal and you can send SMS.

2. You can't send a short message even when the number of the short message center is set incorrectly. If it is solved, click to enter the short message.

3. then go to the settings page and find the advanced settings.

4. Then you can see the number of the SMS center, and click to enter.

5. Next, just enter the correct SMS center number here. As shown in the figure, different operators have different SMS center numbers.