How to close the sim card after texting?

You can try to turn off the SMS sending function of the SIM card according to the following steps:

1. Check and turn off the automatic SMS sending function. Find the Info option in the phone settings, find the send read receipt and close it, or find the SMS sent to other devices and close it.

2. Check and update your mobile phone software. Some new updates may fix the SMS problem. Try updating the mobile phone system software to see if the problem has been solved.

3. Insert and pull out the SIM card again. Some users reported that this problem was solved after plugging and unplugging the SIM card again. You can turn off the phone, take out and insert the SIM card, and restart the phone to see if the problem has been solved.

4. If the above methods can't solve the problem, it is recommended to contact Apple after-sales or go to a professional mobile phone repair shop for help. Further inspection and repair may be needed to solve the problem.