How to turn off the SMS sent by your sim card?

Your sim card sent a short message. The shutdown steps are as follows:

1, open the phone settings.

2. Click the phone option.

3. Find the SIM card application in the phone settings, and then click Enter.

4. Select a function in the USIM card application, taking flight inquiry as an example.

5. After the corresponding information pops up, click one of the options at will.

6. Select the accept button in the pop-up options to turn off the function of "SMS sent by your sim card". SIM card is the abbreviation of (SubscriberIdentityModule), also known as subscriber identity card and smart card. GSM digital mobile phone can only use this card. Digital mobile phone customer information, encryption key and user phone book are stored on the computer chip, which can be used to authenticate the identity of GSM network customers and encrypt the voice information when customers talk.