Apple X mobile phone, AT&T can't receive SMS. A telecom card of American iPhonex can't receive short messages. What happened?

1, the first thing to consider is the signal or network operator. The failure to receive SMS may be due to poor signal or no SMS service. It is recommended to call customer service for consultation.

2. If you try the last scheme and still can't solve the problem, you can try to restart the machine.

3. After restarting the iPhone, the fault still exists. You can take out the SIM card and wipe it. It may be that the SIM card is often inserted, resulting in wear or oxidation.

4. You can try it by "restoring network settings". Note that it is "Restore network settings" instead of "Erase all contents and settings".

5. You can also connect to iTunes for brushing.